Home / 71,140.16-98,177.12-42,456.44

Finding the Fourth Proportional to 71,140.16, 98,177.12 and 42,456.44

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Solution

The fourth proportional to 71,140.16, 98,177.12 and 42,456.44 is: 58,592.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,140.16 : 98,177.12 = 42,456.44 : x
  2. Step 2: Convert to fraction form
    71,140.16/98,177.12 = 42,456.44/x
  3. Step 3: Cross multiply
    71,140.16x = 98,177.12 × 42,456.44
  4. Step 4: Simplify right side
    71,140.16x = 4,168,250,301.49
  5. Step 5: Solve for x
    x = 4,168,250,301.49/71,140.16
  6. Step 6: Final answer
    x = 58,592.09

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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.