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Finding the Fourth Proportional to 85,275.92, 127,927.03 and 29,102.88

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Solution

The fourth proportional to 85,275.92, 127,927.03 and 29,102.88 is: 43,658.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,275.92 : 127,927.03 = 29,102.88 : x
  2. Step 2: Convert to fraction form
    85,275.92/127,927.03 = 29,102.88/x
  3. Step 3: Cross multiply
    85,275.92x = 127,927.03 × 29,102.88
  4. Step 4: Simplify right side
    85,275.92x = 3,723,044,930.09
  5. Step 5: Solve for x
    x = 3,723,044,930.09/85,275.92
  6. Step 6: Final answer
    x = 43,658.81

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1.5x scale

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.