Home / 69,609.77-96,061.55-37,778.68

Finding the Fourth Proportional to 69,609.77, 96,061.55 and 37,778.68

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Solution

The fourth proportional to 69,609.77, 96,061.55 and 37,778.68 is: 52,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,609.77 : 96,061.55 = 37,778.68 : x
  2. Step 2: Convert to fraction form
    69,609.77/96,061.55 = 37,778.68/x
  3. Step 3: Cross multiply
    69,609.77x = 96,061.55 × 37,778.68
  4. Step 4: Simplify right side
    69,609.77x = 3,629,078,270.38
  5. Step 5: Solve for x
    x = 3,629,078,270.38/69,609.77
  6. Step 6: Final answer
    x = 52,134.61

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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.