Home / 87,122.52-130,624.64-44,322.76

Finding the Fourth Proportional to 87,122.52, 130,624.64 and 44,322.76

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Solution

The fourth proportional to 87,122.52, 130,624.64 and 44,322.76 is: 66,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,122.52 : 130,624.64 = 44,322.76 : x
  2. Step 2: Convert to fraction form
    87,122.52/130,624.64 = 44,322.76/x
  3. Step 3: Cross multiply
    87,122.52x = 130,624.64 × 44,322.76
  4. Step 4: Simplify right side
    87,122.52x = 5,789,644,555.32
  5. Step 5: Solve for x
    x = 5,789,644,555.32/87,122.52
  6. Step 6: Final answer
    x = 66,454.05

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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.