Home / 87,127.04-130,526.24-51,482.08

Finding the Fourth Proportional to 87,127.04, 130,526.24 and 51,482.08

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Solution

The fourth proportional to 87,127.04, 130,526.24 and 51,482.08 is: 77,126.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,127.04 : 130,526.24 = 51,482.08 : x
  2. Step 2: Convert to fraction form
    87,127.04/130,526.24 = 51,482.08/x
  3. Step 3: Cross multiply
    87,127.04x = 130,526.24 × 51,482.08
  4. Step 4: Simplify right side
    87,127.04x = 6,719,762,329.78
  5. Step 5: Solve for x
    x = 6,719,762,329.78/87,127.04
  6. Step 6: Final answer
    x = 77,126.03

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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.