Home / 87,092.13-130,545.70-55,402.50

Finding the Fourth Proportional to 87,092.13, 130,545.70 and 55,402.50

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Solution

The fourth proportional to 87,092.13, 130,545.70 and 55,402.50 is: 83,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,092.13 : 130,545.70 = 55,402.50 : x
  2. Step 2: Convert to fraction form
    87,092.13/130,545.70 = 55,402.50/x
  3. Step 3: Cross multiply
    87,092.13x = 130,545.70 × 55,402.50
  4. Step 4: Simplify right side
    87,092.13x = 7,232,558,144.25
  5. Step 5: Solve for x
    x = 7,232,558,144.25/87,092.13
  6. Step 6: Final answer
    x = 83,044.91

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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.