Home / 84,603.26-126,908.66-47,134.94

Finding the Fourth Proportional to 84,603.26, 126,908.66 and 47,134.94

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Solution

The fourth proportional to 84,603.26, 126,908.66 and 47,134.94 is: 70,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,603.26 : 126,908.66 = 47,134.94 : x
  2. Step 2: Convert to fraction form
    84,603.26/126,908.66 = 47,134.94/x
  3. Step 3: Cross multiply
    84,603.26x = 126,908.66 × 47,134.94
  4. Step 4: Simplify right side
    84,603.26x = 5,981,832,074.58
  5. Step 5: Solve for x
    x = 5,981,832,074.58/84,603.26
  6. Step 6: Final answer
    x = 70,704.51

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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.