Home / 125,031.47-187,542.95-58,380.21

Finding the Fourth Proportional to 125,031.47, 187,542.95 and 58,380.21

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Solution

The fourth proportional to 125,031.47, 187,542.95 and 58,380.21 is: 87,568.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,031.47 : 187,542.95 = 58,380.21 : x
  2. Step 2: Convert to fraction form
    125,031.47/187,542.95 = 58,380.21/x
  3. Step 3: Cross multiply
    125,031.47x = 187,542.95 × 58,380.21
  4. Step 4: Simplify right side
    125,031.47x = 10,948,796,513.12
  5. Step 5: Solve for x
    x = 10,948,796,513.12/125,031.47
  6. Step 6: Final answer
    x = 87,568.33

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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.