Home / 83,161.12-124,750.08-26,998.88

Finding the Fourth Proportional to 83,161.12, 124,750.08 and 26,998.88

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Solution

The fourth proportional to 83,161.12, 124,750.08 and 26,998.88 is: 40,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,161.12 : 124,750.08 = 26,998.88 : x
  2. Step 2: Convert to fraction form
    83,161.12/124,750.08 = 26,998.88/x
  3. Step 3: Cross multiply
    83,161.12x = 124,750.08 × 26,998.88
  4. Step 4: Simplify right side
    83,161.12x = 3,368,112,439.91
  5. Step 5: Solve for x
    x = 3,368,112,439.91/83,161.12
  6. Step 6: Final answer
    x = 40,501.05

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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.