Home / 83,419.24-115,118.60-45,694.12

Finding the Fourth Proportional to 83,419.24, 115,118.60 and 45,694.12

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Solution

The fourth proportional to 83,419.24, 115,118.60 and 45,694.12 is: 63,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,419.24 : 115,118.60 = 45,694.12 : x
  2. Step 2: Convert to fraction form
    83,419.24/115,118.60 = 45,694.12/x
  3. Step 3: Cross multiply
    83,419.24x = 115,118.60 × 45,694.12
  4. Step 4: Simplify right side
    83,419.24x = 5,260,243,122.63
  5. Step 5: Solve for x
    x = 5,260,243,122.63/83,419.24
  6. Step 6: Final answer
    x = 63,057.91

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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.