Home / 83,707.70-125,561.55-82,832.90

Finding the Fourth Proportional to 83,707.70, 125,561.55 and 82,832.90

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Solution

The fourth proportional to 83,707.70, 125,561.55 and 82,832.90 is: 124,249.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,707.70 : 125,561.55 = 82,832.90 : x
  2. Step 2: Convert to fraction form
    83,707.70/125,561.55 = 82,832.90/x
  3. Step 3: Cross multiply
    83,707.70x = 125,561.55 × 82,832.90
  4. Step 4: Simplify right side
    83,707.70x = 10,400,627,315.00
  5. Step 5: Solve for x
    x = 10,400,627,315.00/83,707.70
  6. Step 6: Final answer
    x = 124,249.35

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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.