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Finding the Fourth Proportional to 87,080.40, 130,542.84 and 34,453.89

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Solution

The fourth proportional to 87,080.40, 130,542.84 and 34,453.89 is: 51,650.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,080.40 : 130,542.84 = 34,453.89 : x
  2. Step 2: Convert to fraction form
    87,080.40/130,542.84 = 34,453.89/x
  3. Step 3: Cross multiply
    87,080.40x = 130,542.84 × 34,453.89
  4. Step 4: Simplify right side
    87,080.40x = 4,497,708,649.65
  5. Step 5: Solve for x
    x = 4,497,708,649.65/87,080.40
  6. Step 6: Final answer
    x = 51,650.07

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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.