Home / 69,877.88-96,431.59-38,046.91

Finding the Fourth Proportional to 69,877.88, 96,431.59 and 38,046.91

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Solution

The fourth proportional to 69,877.88, 96,431.59 and 38,046.91 is: 52,504.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,877.88 : 96,431.59 = 38,046.91 : x
  2. Step 2: Convert to fraction form
    69,877.88/96,431.59 = 38,046.91/x
  3. Step 3: Cross multiply
    69,877.88x = 96,431.59 × 38,046.91
  4. Step 4: Simplify right side
    69,877.88x = 3,668,923,543.73
  5. Step 5: Solve for x
    x = 3,668,923,543.73/69,877.88
  6. Step 6: Final answer
    x = 52,504.79

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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.