Home / 60,291.75-90,436.24-15,921.61

Finding the Fourth Proportional to 60,291.75, 90,436.24 and 15,921.61

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Solution

The fourth proportional to 60,291.75, 90,436.24 and 15,921.61 is: 23,882.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,291.75 : 90,436.24 = 15,921.61 : x
  2. Step 2: Convert to fraction form
    60,291.75/90,436.24 = 15,921.61/x
  3. Step 3: Cross multiply
    60,291.75x = 90,436.24 × 15,921.61
  4. Step 4: Simplify right side
    60,291.75x = 1,439,890,543.15
  5. Step 5: Solve for x
    x = 1,439,890,543.15/60,291.75
  6. Step 6: Final answer
    x = 23,882.05

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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.