Home / 83,299.41-124,893.51-45,877.20

Finding the Fourth Proportional to 83,299.41, 124,893.51 and 45,877.20

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Solution

The fourth proportional to 83,299.41, 124,893.51 and 45,877.20 is: 68,785.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,299.41 : 124,893.51 = 45,877.20 : x
  2. Step 2: Convert to fraction form
    83,299.41/124,893.51 = 45,877.20/x
  3. Step 3: Cross multiply
    83,299.41x = 124,893.51 × 45,877.20
  4. Step 4: Simplify right side
    83,299.41x = 5,729,764,536.97
  5. Step 5: Solve for x
    x = 5,729,764,536.97/83,299.41
  6. Step 6: Final answer
    x = 68,785.18

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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.