Home / 85,366.32-127,962-32,761.68

Finding the Fourth Proportional to 85,366.32, 127,962 and 32,761.68

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Solution

The fourth proportional to 85,366.32, 127,962 and 32,761.68 is: 49,108.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,366.32 : 127,962 = 32,761.68 : x
  2. Step 2: Convert to fraction form
    85,366.32/127,962 = 32,761.68/x
  3. Step 3: Cross multiply
    85,366.32x = 127,962 × 32,761.68
  4. Step 4: Simplify right side
    85,366.32x = 4,192,250,096.16
  5. Step 5: Solve for x
    x = 4,192,250,096.16/85,366.32
  6. Step 6: Final answer
    x = 49,108.95

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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.