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Finding the Fourth Proportional to 66,925.53, 92,356.47 and 38,630.61

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Solution

The fourth proportional to 66,925.53, 92,356.47 and 38,630.61 is: 53,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,925.53 : 92,356.47 = 38,630.61 : x
  2. Step 2: Convert to fraction form
    66,925.53/92,356.47 = 38,630.61/x
  3. Step 3: Cross multiply
    66,925.53x = 92,356.47 × 38,630.61
  4. Step 4: Simplify right side
    66,925.53x = 3,567,786,773.55
  5. Step 5: Solve for x
    x = 3,567,786,773.55/66,925.53
  6. Step 6: Final answer
    x = 53,309.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.