Home / 69,609.65-96,061.38-37,778.55

Finding the Fourth Proportional to 69,609.65, 96,061.38 and 37,778.55

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Solution

The fourth proportional to 69,609.65, 96,061.38 and 37,778.55 is: 52,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,609.65 : 96,061.38 = 37,778.55 : x
  2. Step 2: Convert to fraction form
    69,609.65/96,061.38 = 37,778.55/x
  3. Step 3: Cross multiply
    69,609.65x = 96,061.38 × 37,778.55
  4. Step 4: Simplify right side
    69,609.65x = 3,629,059,685.84
  5. Step 5: Solve for x
    x = 3,629,059,685.84/69,609.65
  6. Step 6: Final answer
    x = 52,134.44

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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.