Home / 85,232.91-127,886.26-45,743.88

Finding the Fourth Proportional to 85,232.91, 127,886.26 and 45,743.88

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Solution

The fourth proportional to 85,232.91, 127,886.26 and 45,743.88 is: 68,635.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,232.91 : 127,886.26 = 45,743.88 : x
  2. Step 2: Convert to fraction form
    85,232.91/127,886.26 = 45,743.88/x
  3. Step 3: Cross multiply
    85,232.91x = 127,886.26 × 45,743.88
  4. Step 4: Simplify right side
    85,232.91x = 5,850,013,731.09
  5. Step 5: Solve for x
    x = 5,850,013,731.09/85,232.91
  6. Step 6: Final answer
    x = 68,635.62

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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.