Home / 61,753.06-85,151.55-40,203.04

Finding the Fourth Proportional to 61,753.06, 85,151.55 and 40,203.04

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Solution

The fourth proportional to 61,753.06, 85,151.55 and 40,203.04 is: 55,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,753.06 : 85,151.55 = 40,203.04 : x
  2. Step 2: Convert to fraction form
    61,753.06/85,151.55 = 40,203.04/x
  3. Step 3: Cross multiply
    61,753.06x = 85,151.55 × 40,203.04
  4. Step 4: Simplify right side
    61,753.06x = 3,423,351,170.71
  5. Step 5: Solve for x
    x = 3,423,351,170.71/61,753.06
  6. Step 6: Final answer
    x = 55,436.14

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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.