Home / 87,075.80-130,613.14-42,044.60

Finding the Fourth Proportional to 87,075.80, 130,613.14 and 42,044.60

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Solution

The fourth proportional to 87,075.80, 130,613.14 and 42,044.60 is: 63,066.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,075.80 : 130,613.14 = 42,044.60 : x
  2. Step 2: Convert to fraction form
    87,075.80/130,613.14 = 42,044.60/x
  3. Step 3: Cross multiply
    87,075.80x = 130,613.14 × 42,044.60
  4. Step 4: Simplify right side
    87,075.80x = 5,491,577,226.04
  5. Step 5: Solve for x
    x = 5,491,577,226.04/87,075.80
  6. Step 6: Final answer
    x = 63,066.63

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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.