Home / 71,123.73-98,153.57-40,909.02

Finding the Fourth Proportional to 71,123.73, 98,153.57 and 40,909.02

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Solution

The fourth proportional to 71,123.73, 98,153.57 and 40,909.02 is: 56,456.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,123.73 : 98,153.57 = 40,909.02 : x
  2. Step 2: Convert to fraction form
    71,123.73/98,153.57 = 40,909.02/x
  3. Step 3: Cross multiply
    71,123.73x = 98,153.57 × 40,909.02
  4. Step 4: Simplify right side
    71,123.73x = 4,015,366,358.20
  5. Step 5: Solve for x
    x = 4,015,366,358.20/71,123.73
  6. Step 6: Final answer
    x = 56,456.07

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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.