Home / 83,343.87-124,953.17-27,150.53

Finding the Fourth Proportional to 83,343.87, 124,953.17 and 27,150.53

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Solution

The fourth proportional to 83,343.87, 124,953.17 and 27,150.53 is: 40,705.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,343.87 : 124,953.17 = 27,150.53 : x
  2. Step 2: Convert to fraction form
    83,343.87/124,953.17 = 27,150.53/x
  3. Step 3: Cross multiply
    83,343.87x = 124,953.17 × 27,150.53
  4. Step 4: Simplify right side
    83,343.87x = 3,392,544,030.16
  5. Step 5: Solve for x
    x = 3,392,544,030.16/83,343.87
  6. Step 6: Final answer
    x = 40,705.38

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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.