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Finding the Fourth Proportional to 85,229.56, 127,900.86 and 29,825.56

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Solution

The fourth proportional to 85,229.56, 127,900.86 and 29,825.56 is: 44,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,229.56 : 127,900.86 = 29,825.56 : x
  2. Step 2: Convert to fraction form
    85,229.56/127,900.86 = 29,825.56/x
  3. Step 3: Cross multiply
    85,229.56x = 127,900.86 × 29,825.56
  4. Step 4: Simplify right side
    85,229.56x = 3,814,714,773.98
  5. Step 5: Solve for x
    x = 3,814,714,773.98/85,229.56
  6. Step 6: Final answer
    x = 44,758.12

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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.