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Finding the Fourth Proportional to 74,392.18, 102,631.52 and 47,527.72

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Solution

The fourth proportional to 74,392.18, 102,631.52 and 47,527.72 is: 65,569.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,392.18 : 102,631.52 = 47,527.72 : x
  2. Step 2: Convert to fraction form
    74,392.18/102,631.52 = 47,527.72/x
  3. Step 3: Cross multiply
    74,392.18x = 102,631.52 × 47,527.72
  4. Step 4: Simplify right side
    74,392.18x = 4,877,842,145.73
  5. Step 5: Solve for x
    x = 4,877,842,145.73/74,392.18
  6. Step 6: Final answer
    x = 65,569.29

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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.