Home / 94,732.20-142,025.40-53,179.20

Finding the Fourth Proportional to 94,732.20, 142,025.40 and 53,179.20

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Solution

The fourth proportional to 94,732.20, 142,025.40 and 53,179.20 is: 79,727.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,732.20 : 142,025.40 = 53,179.20 : x
  2. Step 2: Convert to fraction form
    94,732.20/142,025.40 = 53,179.20/x
  3. Step 3: Cross multiply
    94,732.20x = 142,025.40 × 53,179.20
  4. Step 4: Simplify right side
    94,732.20x = 7,552,797,151.68
  5. Step 5: Solve for x
    x = 7,552,797,151.68/94,732.20
  6. Step 6: Final answer
    x = 79,727.88

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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.