Home / 91,934.36-126,883.14-56,144.96

Finding the Fourth Proportional to 91,934.36, 126,883.14 and 56,144.96

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Solution

The fourth proportional to 91,934.36, 126,883.14 and 56,144.96 is: 77,488.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,934.36 : 126,883.14 = 56,144.96 : x
  2. Step 2: Convert to fraction form
    91,934.36/126,883.14 = 56,144.96/x
  3. Step 3: Cross multiply
    91,934.36x = 126,883.14 × 56,144.96
  4. Step 4: Simplify right side
    91,934.36x = 7,123,848,819.97
  5. Step 5: Solve for x
    x = 7,123,848,819.97/91,934.36
  6. Step 6: Final answer
    x = 77,488.43

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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.