Home / 88,280.50-121,837.24-52,470.16

Finding the Fourth Proportional to 88,280.50, 121,837.24 and 52,470.16

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Solution

The fourth proportional to 88,280.50, 121,837.24 and 52,470.16 is: 72,414.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,280.50 : 121,837.24 = 52,470.16 : x
  2. Step 2: Convert to fraction form
    88,280.50/121,837.24 = 52,470.16/x
  3. Step 3: Cross multiply
    88,280.50x = 121,837.24 × 52,470.16
  4. Step 4: Simplify right side
    88,280.50x = 6,392,819,476.76
  5. Step 5: Solve for x
    x = 6,392,819,476.76/88,280.50
  6. Step 6: Final answer
    x = 72,414.85

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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.