Home / 85,251.29-127,713.24-47,697.66

Finding the Fourth Proportional to 85,251.29, 127,713.24 and 47,697.66

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Solution

The fourth proportional to 85,251.29, 127,713.24 and 47,697.66 is: 71,454.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,251.29 : 127,713.24 = 47,697.66 : x
  2. Step 2: Convert to fraction form
    85,251.29/127,713.24 = 47,697.66/x
  3. Step 3: Cross multiply
    85,251.29x = 127,713.24 × 47,697.66
  4. Step 4: Simplify right side
    85,251.29x = 6,091,622,699.02
  5. Step 5: Solve for x
    x = 6,091,622,699.02/85,251.29
  6. Step 6: Final answer
    x = 71,454.91

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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.