Home / 57,957.28-86,873.20-28,395.04

Finding the Fourth Proportional to 57,957.28, 86,873.20 and 28,395.04

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Solution

The fourth proportional to 57,957.28, 86,873.20 and 28,395.04 is: 42,561.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,957.28 : 86,873.20 = 28,395.04 : x
  2. Step 2: Convert to fraction form
    57,957.28/86,873.20 = 28,395.04/x
  3. Step 3: Cross multiply
    57,957.28x = 86,873.20 × 28,395.04
  4. Step 4: Simplify right side
    57,957.28x = 2,466,767,988.93
  5. Step 5: Solve for x
    x = 2,466,767,988.93/57,957.28
  6. Step 6: Final answer
    x = 42,561.83

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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.