Home / 83,037.94-124,557.38-20,708.44

Finding the Fourth Proportional to 83,037.94, 124,557.38 and 20,708.44

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Solution

The fourth proportional to 83,037.94, 124,557.38 and 20,708.44 is: 31,062.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,037.94 : 124,557.38 = 20,708.44 : x
  2. Step 2: Convert to fraction form
    83,037.94/124,557.38 = 20,708.44/x
  3. Step 3: Cross multiply
    83,037.94x = 124,557.38 × 20,708.44
  4. Step 4: Simplify right side
    83,037.94x = 2,579,389,030.29
  5. Step 5: Solve for x
    x = 2,579,389,030.29/83,037.94
  6. Step 6: Final answer
    x = 31,062.78

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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.