Home / 80,680.30-111,341.51-44,383.26

Finding the Fourth Proportional to 80,680.30, 111,341.51 and 44,383.26

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Solution

The fourth proportional to 80,680.30, 111,341.51 and 44,383.26 is: 61,250.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,680.30 : 111,341.51 = 44,383.26 : x
  2. Step 2: Convert to fraction form
    80,680.30/111,341.51 = 44,383.26/x
  3. Step 3: Cross multiply
    80,680.30x = 111,341.51 × 44,383.26
  4. Step 4: Simplify right side
    80,680.30x = 4,941,699,187.12
  5. Step 5: Solve for x
    x = 4,941,699,187.12/80,680.30
  6. Step 6: Final answer
    x = 61,250.38

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Half scale
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Double scale
Find fourth proportional to 80,681.30, 111,342.89 and 44,384.26
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.