Home / 87,931.01-132,073.07-52,461.63

Finding the Fourth Proportional to 87,931.01, 132,073.07 and 52,461.63

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Solution

The fourth proportional to 87,931.01, 132,073.07 and 52,461.63 is: 78,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,931.01 : 132,073.07 = 52,461.63 : x
  2. Step 2: Convert to fraction form
    87,931.01/132,073.07 = 52,461.63/x
  3. Step 3: Cross multiply
    87,931.01x = 132,073.07 × 52,461.63
  4. Step 4: Simplify right side
    87,931.01x = 6,928,768,269.00
  5. Step 5: Solve for x
    x = 6,928,768,269.00/87,931.01
  6. Step 6: Final answer
    x = 78,797.78

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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.