Home / 57,132.63-78,869.96-38,044.17

Finding the Fourth Proportional to 57,132.63, 78,869.96 and 38,044.17

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Solution

The fourth proportional to 57,132.63, 78,869.96 and 38,044.17 is: 52,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,132.63 : 78,869.96 = 38,044.17 : x
  2. Step 2: Convert to fraction form
    57,132.63/78,869.96 = 38,044.17/x
  3. Step 3: Cross multiply
    57,132.63x = 78,869.96 × 38,044.17
  4. Step 4: Simplify right side
    57,132.63x = 3,000,541,975.91
  5. Step 5: Solve for x
    x = 3,000,541,975.91/57,132.63
  6. Step 6: Final answer
    x = 52,518.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.