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Finding the Fourth Proportional to 85,073.75, 127,600.90 and 22,749.11

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Solution

The fourth proportional to 85,073.75, 127,600.90 and 22,749.11 is: 34,121.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,073.75 : 127,600.90 = 22,749.11 : x
  2. Step 2: Convert to fraction form
    85,073.75/127,600.90 = 22,749.11/x
  3. Step 3: Cross multiply
    85,073.75x = 127,600.90 × 22,749.11
  4. Step 4: Simplify right side
    85,073.75x = 2,902,806,796.45
  5. Step 5: Solve for x
    x = 2,902,806,796.45/85,073.75
  6. Step 6: Final answer
    x = 34,121.06

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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.