Home / 87,029.35-130,545.86-27,864.86

Finding the Fourth Proportional to 87,029.35, 130,545.86 and 27,864.86

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Solution

The fourth proportional to 87,029.35, 130,545.86 and 27,864.86 is: 41,797.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,029.35 : 130,545.86 = 27,864.86 : x
  2. Step 2: Convert to fraction form
    87,029.35/130,545.86 = 27,864.86/x
  3. Step 3: Cross multiply
    87,029.35x = 130,545.86 × 27,864.86
  4. Step 4: Simplify right side
    87,029.35x = 3,637,641,320.43
  5. Step 5: Solve for x
    x = 3,637,641,320.43/87,029.35
  6. Step 6: Final answer
    x = 41,797.87

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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.