Home / 81,552.59-112,528.33-45,744.11

Finding the Fourth Proportional to 81,552.59, 112,528.33 and 45,744.11

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Solution

The fourth proportional to 81,552.59, 112,528.33 and 45,744.11 is: 63,118.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,552.59 : 112,528.33 = 45,744.11 : x
  2. Step 2: Convert to fraction form
    81,552.59/112,528.33 = 45,744.11/x
  3. Step 3: Cross multiply
    81,552.59x = 112,528.33 × 45,744.11
  4. Step 4: Simplify right side
    81,552.59x = 5,147,508,305.64
  5. Step 5: Solve for x
    x = 5,147,508,305.64/81,552.59
  6. Step 6: Final answer
    x = 63,118.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.