Home / 69,153.60-95,428.08-40,861.92

Finding the Fourth Proportional to 69,153.60, 95,428.08 and 40,861.92

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Solution

The fourth proportional to 69,153.60, 95,428.08 and 40,861.92 is: 56,387.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,153.60 : 95,428.08 = 40,861.92 : x
  2. Step 2: Convert to fraction form
    69,153.60/95,428.08 = 40,861.92/x
  3. Step 3: Cross multiply
    69,153.60x = 95,428.08 × 40,861.92
  4. Step 4: Simplify right side
    69,153.60x = 3,899,374,570.71
  5. Step 5: Solve for x
    x = 3,899,374,570.71/69,153.60
  6. Step 6: Final answer
    x = 56,387.15

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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.