Home / 69,539.38-95,981.10-40,865.38

Finding the Fourth Proportional to 69,539.38, 95,981.10 and 40,865.38

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Solution

The fourth proportional to 69,539.38, 95,981.10 and 40,865.38 is: 56,404.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,539.38 : 95,981.10 = 40,865.38 : x
  2. Step 2: Convert to fraction form
    69,539.38/95,981.10 = 40,865.38/x
  3. Step 3: Cross multiply
    69,539.38x = 95,981.10 × 40,865.38
  4. Step 4: Simplify right side
    69,539.38x = 3,922,304,124.32
  5. Step 5: Solve for x
    x = 3,922,304,124.32/69,539.38
  6. Step 6: Final answer
    x = 56,404.07

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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.