Home / 69,278.72-95,605.68-40,591.50

Finding the Fourth Proportional to 69,278.72, 95,605.68 and 40,591.50

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Solution

The fourth proportional to 69,278.72, 95,605.68 and 40,591.50 is: 56,016.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,278.72 : 95,605.68 = 40,591.50 : x
  2. Step 2: Convert to fraction form
    69,278.72/95,605.68 = 40,591.50/x
  3. Step 3: Cross multiply
    69,278.72x = 95,605.68 × 40,591.50
  4. Step 4: Simplify right side
    69,278.72x = 3,880,777,959.72
  5. Step 5: Solve for x
    x = 3,880,777,959.72/69,278.72
  6. Step 6: Final answer
    x = 56,016.88

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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.