Home / 87,123.52-130,626.14-44,323.76

Finding the Fourth Proportional to 87,123.52, 130,626.14 and 44,323.76

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Solution

The fourth proportional to 87,123.52, 130,626.14 and 44,323.76 is: 66,455.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,123.52 : 130,626.14 = 44,323.76 : x
  2. Step 2: Convert to fraction form
    87,123.52/130,626.14 = 44,323.76/x
  3. Step 3: Cross multiply
    87,123.52x = 130,626.14 × 44,323.76
  4. Step 4: Simplify right side
    87,123.52x = 5,789,841,679.09
  5. Step 5: Solve for x
    x = 5,789,841,679.09/87,123.52
  6. Step 6: Final answer
    x = 66,455.55

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1.5x scale

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.