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Finding the Fourth Proportional to 72,351.60, 108,527.40 and 52,767.60

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Solution

The fourth proportional to 72,351.60, 108,527.40 and 52,767.60 is: 79,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,351.60 : 108,527.40 = 52,767.60 : x
  2. Step 2: Convert to fraction form
    72,351.60/108,527.40 = 52,767.60/x
  3. Step 3: Cross multiply
    72,351.60x = 108,527.40 × 52,767.60
  4. Step 4: Simplify right side
    72,351.60x = 5,726,730,432.24
  5. Step 5: Solve for x
    x = 5,726,730,432.24/72,351.60
  6. Step 6: Final answer
    x = 79,151.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.