Home / 65,414.30-90,248.11-37,103.58

Finding the Fourth Proportional to 65,414.30, 90,248.11 and 37,103.58

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Solution

The fourth proportional to 65,414.30, 90,248.11 and 37,103.58 is: 51,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,414.30 : 90,248.11 = 37,103.58 : x
  2. Step 2: Convert to fraction form
    65,414.30/90,248.11 = 37,103.58/x
  3. Step 3: Cross multiply
    65,414.30x = 90,248.11 × 37,103.58
  4. Step 4: Simplify right side
    65,414.30x = 3,348,527,876.47
  5. Step 5: Solve for x
    x = 3,348,527,876.47/65,414.30
  6. Step 6: Final answer
    x = 51,189.54

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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.