Home / 87,008.20-130,415.10-49,586.20

Finding the Fourth Proportional to 87,008.20, 130,415.10 and 49,586.20

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Solution

The fourth proportional to 87,008.20, 130,415.10 and 49,586.20 is: 74,323.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,008.20 : 130,415.10 = 49,586.20 : x
  2. Step 2: Convert to fraction form
    87,008.20/130,415.10 = 49,586.20/x
  3. Step 3: Cross multiply
    87,008.20x = 130,415.10 × 49,586.20
  4. Step 4: Simplify right side
    87,008.20x = 6,466,789,231.62
  5. Step 5: Solve for x
    x = 6,466,789,231.62/87,008.20
  6. Step 6: Final answer
    x = 74,323.91

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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.