Home / 69,125.42-95,391.99-38,910.66

Finding the Fourth Proportional to 69,125.42, 95,391.99 and 38,910.66

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Solution

The fourth proportional to 69,125.42, 95,391.99 and 38,910.66 is: 53,696.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,125.42 : 95,391.99 = 38,910.66 : x
  2. Step 2: Convert to fraction form
    69,125.42/95,391.99 = 38,910.66/x
  3. Step 3: Cross multiply
    69,125.42x = 95,391.99 × 38,910.66
  4. Step 4: Simplify right side
    69,125.42x = 3,711,765,289.61
  5. Step 5: Solve for x
    x = 3,711,765,289.61/69,125.42
  6. Step 6: Final answer
    x = 53,696.10

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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.