Home / 83,150.80-124,633.60-33,218.08

Finding the Fourth Proportional to 83,150.80, 124,633.60 and 33,218.08

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Solution

The fourth proportional to 83,150.80, 124,633.60 and 33,218.08 is: 49,790.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,150.80 : 124,633.60 = 33,218.08 : x
  2. Step 2: Convert to fraction form
    83,150.80/124,633.60 = 33,218.08/x
  3. Step 3: Cross multiply
    83,150.80x = 124,633.60 × 33,218.08
  4. Step 4: Simplify right side
    83,150.80x = 4,140,088,895.49
  5. Step 5: Solve for x
    x = 4,140,088,895.49/83,150.80
  6. Step 6: Final answer
    x = 49,790.13

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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.