Home / 68,861.27-95,030.45-38,648.47

Finding the Fourth Proportional to 68,861.27, 95,030.45 and 38,648.47

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Solution

The fourth proportional to 68,861.27, 95,030.45 and 38,648.47 is: 53,335.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,861.27 : 95,030.45 = 38,648.47 : x
  2. Step 2: Convert to fraction form
    68,861.27/95,030.45 = 38,648.47/x
  3. Step 3: Cross multiply
    68,861.27x = 95,030.45 × 38,648.47
  4. Step 4: Simplify right side
    68,861.27x = 3,672,781,302.67
  5. Step 5: Solve for x
    x = 3,672,781,302.67/68,861.27
  6. Step 6: Final answer
    x = 53,335.95

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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.