Home / 91,493.28-137,160.95-35,372.70

Finding the Fourth Proportional to 91,493.28, 137,160.95 and 35,372.70

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Solution

The fourth proportional to 91,493.28, 137,160.95 and 35,372.70 is: 53,028.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,493.28 : 137,160.95 = 35,372.70 : x
  2. Step 2: Convert to fraction form
    91,493.28/137,160.95 = 35,372.70/x
  3. Step 3: Cross multiply
    91,493.28x = 137,160.95 × 35,372.70
  4. Step 4: Simplify right side
    91,493.28x = 4,851,752,959.20
  5. Step 5: Solve for x
    x = 4,851,752,959.20/91,493.28
  6. Step 6: Final answer
    x = 53,028.52

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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.