Home / 90,952.10-125,517.68-50,665.85

Finding the Fourth Proportional to 90,952.10, 125,517.68 and 50,665.85

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Solution

The fourth proportional to 90,952.10, 125,517.68 and 50,665.85 is: 69,920.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,952.10 : 125,517.68 = 50,665.85 : x
  2. Step 2: Convert to fraction form
    90,952.10/125,517.68 = 50,665.85/x
  3. Step 3: Cross multiply
    90,952.10x = 125,517.68 × 50,665.85
  4. Step 4: Simplify right side
    90,952.10x = 6,359,459,947.23
  5. Step 5: Solve for x
    x = 6,359,459,947.23/90,952.10
  6. Step 6: Final answer
    x = 69,920.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.