Home / 87,006.20-130,412.10-49,584.20

Finding the Fourth Proportional to 87,006.20, 130,412.10 and 49,584.20

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Solution

The fourth proportional to 87,006.20, 130,412.10 and 49,584.20 is: 74,320.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,006.20 : 130,412.10 = 49,584.20 : x
  2. Step 2: Convert to fraction form
    87,006.20/130,412.10 = 49,584.20/x
  3. Step 3: Cross multiply
    87,006.20x = 130,412.10 × 49,584.20
  4. Step 4: Simplify right side
    87,006.20x = 6,466,379,648.82
  5. Step 5: Solve for x
    x = 6,466,379,648.82/87,006.20
  6. Step 6: Final answer
    x = 74,320.91

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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.