Home / 82,913.28-124,272.54-38,446.44

Finding the Fourth Proportional to 82,913.28, 124,272.54 and 38,446.44

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Solution

The fourth proportional to 82,913.28, 124,272.54 and 38,446.44 is: 57,624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,913.28 : 124,272.54 = 38,446.44 : x
  2. Step 2: Convert to fraction form
    82,913.28/124,272.54 = 38,446.44/x
  3. Step 3: Cross multiply
    82,913.28x = 124,272.54 × 38,446.44
  4. Step 4: Simplify right side
    82,913.28x = 4,777,836,752.76
  5. Step 5: Solve for x
    x = 4,777,836,752.76/82,913.28
  6. Step 6: Final answer
    x = 57,624.51

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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.