Home / 67,486.23-93,126.92-40,637.43

Finding the Fourth Proportional to 67,486.23, 93,126.92 and 40,637.43

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Solution

The fourth proportional to 67,486.23, 93,126.92 and 40,637.43 is: 56,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,486.23 : 93,126.92 = 40,637.43 : x
  2. Step 2: Convert to fraction form
    67,486.23/93,126.92 = 40,637.43/x
  3. Step 3: Cross multiply
    67,486.23x = 93,126.92 × 40,637.43
  4. Step 4: Simplify right side
    67,486.23x = 3,784,438,489.43
  5. Step 5: Solve for x
    x = 3,784,438,489.43/67,486.23
  6. Step 6: Final answer
    x = 56,077.20

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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.