Home / 79,434.05-119,132.91-47,422.17

Finding the Fourth Proportional to 79,434.05, 119,132.91 and 47,422.17

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Solution

The fourth proportional to 79,434.05, 119,132.91 and 47,422.17 is: 71,122.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,434.05 : 119,132.91 = 47,422.17 : x
  2. Step 2: Convert to fraction form
    79,434.05/119,132.91 = 47,422.17/x
  3. Step 3: Cross multiply
    79,434.05x = 119,132.91 × 47,422.17
  4. Step 4: Simplify right side
    79,434.05x = 5,649,541,110.61
  5. Step 5: Solve for x
    x = 5,649,541,110.61/79,434.05
  6. Step 6: Final answer
    x = 71,122.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.