Home / 87,304.47-130,957.53-47,840.04

Finding the Fourth Proportional to 87,304.47, 130,957.53 and 47,840.04

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Solution

The fourth proportional to 87,304.47, 130,957.53 and 47,840.04 is: 71,760.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,304.47 : 130,957.53 = 47,840.04 : x
  2. Step 2: Convert to fraction form
    87,304.47/130,957.53 = 47,840.04/x
  3. Step 3: Cross multiply
    87,304.47x = 130,957.53 × 47,840.04
  4. Step 4: Simplify right side
    87,304.47x = 6,265,013,473.50
  5. Step 5: Solve for x
    x = 6,265,013,473.50/87,304.47
  6. Step 6: Final answer
    x = 71,760.51

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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.