Home / 80,680.11-111,341.30-44,383.16

Finding the Fourth Proportional to 80,680.11, 111,341.30 and 44,383.16

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Solution

The fourth proportional to 80,680.11, 111,341.30 and 44,383.16 is: 61,250.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,680.11 : 111,341.30 = 44,383.16 : x
  2. Step 2: Convert to fraction form
    80,680.11/111,341.30 = 44,383.16/x
  3. Step 3: Cross multiply
    80,680.11x = 111,341.30 × 44,383.16
  4. Step 4: Simplify right side
    80,680.11x = 4,941,677,953.89
  5. Step 5: Solve for x
    x = 4,941,677,953.89/80,680.11
  6. Step 6: Final answer
    x = 61,250.26

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Half scale
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Double scale
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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.