Home / 80,840.30-111,553.88-44,540.16

Finding the Fourth Proportional to 80,840.30, 111,553.88 and 44,540.16

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Solution

The fourth proportional to 80,840.30, 111,553.88 and 44,540.16 is: 61,462.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,840.30 : 111,553.88 = 44,540.16 : x
  2. Step 2: Convert to fraction form
    80,840.30/111,553.88 = 44,540.16/x
  3. Step 3: Cross multiply
    80,840.30x = 111,553.88 × 44,540.16
  4. Step 4: Simplify right side
    80,840.30x = 4,968,627,663.82
  5. Step 5: Solve for x
    x = 4,968,627,663.82/80,840.30
  6. Step 6: Final answer
    x = 61,462.26

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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.