Home / 69,961.53-96,540.80-38,910.83

Finding the Fourth Proportional to 69,961.53, 96,540.80 and 38,910.83

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Solution

The fourth proportional to 69,961.53, 96,540.80 and 38,910.83 is: 53,693.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,961.53 : 96,540.80 = 38,910.83 : x
  2. Step 2: Convert to fraction form
    69,961.53/96,540.80 = 38,910.83/x
  3. Step 3: Cross multiply
    69,961.53x = 96,540.80 × 38,910.83
  4. Step 4: Simplify right side
    69,961.53x = 3,756,482,656.86
  5. Step 5: Solve for x
    x = 3,756,482,656.86/69,961.53
  6. Step 6: Final answer
    x = 53,693.55

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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.