Home / 69,184.86-95,475.67-39,378.78

Finding the Fourth Proportional to 69,184.86, 95,475.67 and 39,378.78

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Solution

The fourth proportional to 69,184.86, 95,475.67 and 39,378.78 is: 54,343.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,184.86 : 95,475.67 = 39,378.78 : x
  2. Step 2: Convert to fraction form
    69,184.86/95,475.67 = 39,378.78/x
  3. Step 3: Cross multiply
    69,184.86x = 95,475.67 × 39,378.78
  4. Step 4: Simplify right side
    69,184.86x = 3,759,715,404.28
  5. Step 5: Solve for x
    x = 3,759,715,404.28/69,184.86
  6. Step 6: Final answer
    x = 54,343.04

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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.