Home / 84,899.13-127,154.76-40,557.30

Finding the Fourth Proportional to 84,899.13, 127,154.76 and 40,557.30

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Solution

The fourth proportional to 84,899.13, 127,154.76 and 40,557.30 is: 60,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,899.13 : 127,154.76 = 40,557.30 : x
  2. Step 2: Convert to fraction form
    84,899.13/127,154.76 = 40,557.30/x
  3. Step 3: Cross multiply
    84,899.13x = 127,154.76 × 40,557.30
  4. Step 4: Simplify right side
    84,899.13x = 5,157,053,747.75
  5. Step 5: Solve for x
    x = 5,157,053,747.75/84,899.13
  6. Step 6: Final answer
    x = 60,743.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.