Home / 101,336.32-152,034.96-71,811.04

Finding the Fourth Proportional to 101,336.32, 152,034.96 and 71,811.04

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Solution

The fourth proportional to 101,336.32, 152,034.96 and 71,811.04 is: 107,738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,336.32 : 152,034.96 = 71,811.04 : x
  2. Step 2: Convert to fraction form
    101,336.32/152,034.96 = 71,811.04/x
  3. Step 3: Cross multiply
    101,336.32x = 152,034.96 × 71,811.04
  4. Step 4: Simplify right side
    101,336.32x = 10,917,788,593.96
  5. Step 5: Solve for x
    x = 10,917,788,593.96/101,336.32
  6. Step 6: Final answer
    x = 107,738.16

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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.