Home / 87,535.80-131,302.78-59,386.20

Finding the Fourth Proportional to 87,535.80, 131,302.78 and 59,386.20

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Solution

The fourth proportional to 87,535.80, 131,302.78 and 59,386.20 is: 89,078.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,535.80 : 131,302.78 = 59,386.20 : x
  2. Step 2: Convert to fraction form
    87,535.80/131,302.78 = 59,386.20/x
  3. Step 3: Cross multiply
    87,535.80x = 131,302.78 × 59,386.20
  4. Step 4: Simplify right side
    87,535.80x = 7,797,573,153.64
  5. Step 5: Solve for x
    x = 7,797,573,153.64/87,535.80
  6. Step 6: Final answer
    x = 89,078.68

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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.