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Finding the Fourth Proportional to 64,266.03, 88,687.89 and 38,773.71

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Solution

The fourth proportional to 64,266.03, 88,687.89 and 38,773.71 is: 53,508.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,266.03 : 88,687.89 = 38,773.71 : x
  2. Step 2: Convert to fraction form
    64,266.03/88,687.89 = 38,773.71/x
  3. Step 3: Cross multiply
    64,266.03x = 88,687.89 × 38,773.71
  4. Step 4: Simplify right side
    64,266.03x = 3,438,758,527.37
  5. Step 5: Solve for x
    x = 3,438,758,527.37/64,266.03
  6. Step 6: Final answer
    x = 53,508.18

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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.