Home / 83,170.38-124,804.96-30,616.76

Finding the Fourth Proportional to 83,170.38, 124,804.96 and 30,616.76

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Solution

The fourth proportional to 83,170.38, 124,804.96 and 30,616.76 is: 45,943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,170.38 : 124,804.96 = 30,616.76 : x
  2. Step 2: Convert to fraction form
    83,170.38/124,804.96 = 30,616.76/x
  3. Step 3: Cross multiply
    83,170.38x = 124,804.96 × 30,616.76
  4. Step 4: Simplify right side
    83,170.38x = 3,821,123,507.13
  5. Step 5: Solve for x
    x = 3,821,123,507.13/83,170.38
  6. Step 6: Final answer
    x = 45,943.32

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1.5x scale

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.