Home / 83,585.38-125,232.39-69,635.05

Finding the Fourth Proportional to 83,585.38, 125,232.39 and 69,635.05

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Solution

The fourth proportional to 83,585.38, 125,232.39 and 69,635.05 is: 104,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,585.38 : 125,232.39 = 69,635.05 : x
  2. Step 2: Convert to fraction form
    83,585.38/125,232.39 = 69,635.05/x
  3. Step 3: Cross multiply
    83,585.38x = 125,232.39 × 69,635.05
  4. Step 4: Simplify right side
    83,585.38x = 8,720,563,739.27
  5. Step 5: Solve for x
    x = 8,720,563,739.27/83,585.38
  6. Step 6: Final answer
    x = 104,331.21

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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.