Home / 124,081.11-186,046.68-55,680.18

Finding the Fourth Proportional to 124,081.11, 186,046.68 and 55,680.18

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Solution

The fourth proportional to 124,081.11, 186,046.68 and 55,680.18 is: 83,486.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,081.11 : 186,046.68 = 55,680.18 : x
  2. Step 2: Convert to fraction form
    124,081.11/186,046.68 = 55,680.18/x
  3. Step 3: Cross multiply
    124,081.11x = 186,046.68 × 55,680.18
  4. Step 4: Simplify right side
    124,081.11x = 10,359,112,630.80
  5. Step 5: Solve for x
    x = 10,359,112,630.80/124,081.11
  6. Step 6: Final answer
    x = 83,486.62

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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.