Home / 85,104.46-127,656.55-35,129.62

Finding the Fourth Proportional to 85,104.46, 127,656.55 and 35,129.62

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Solution

The fourth proportional to 85,104.46, 127,656.55 and 35,129.62 is: 52,694.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,104.46 : 127,656.55 = 35,129.62 : x
  2. Step 2: Convert to fraction form
    85,104.46/127,656.55 = 35,129.62/x
  3. Step 3: Cross multiply
    85,104.46x = 127,656.55 × 35,129.62
  4. Step 4: Simplify right side
    85,104.46x = 4,484,526,092.01
  5. Step 5: Solve for x
    x = 4,484,526,092.01/85,104.46
  6. Step 6: Final answer
    x = 52,694.37

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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.