Home / 84,662.10-126,984.24-34,747.47

Finding the Fourth Proportional to 84,662.10, 126,984.24 and 34,747.47

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Solution

The fourth proportional to 84,662.10, 126,984.24 and 34,747.47 is: 52,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,662.10 : 126,984.24 = 34,747.47 : x
  2. Step 2: Convert to fraction form
    84,662.10/126,984.24 = 34,747.47/x
  3. Step 3: Cross multiply
    84,662.10x = 126,984.24 × 34,747.47
  4. Step 4: Simplify right side
    84,662.10x = 4,412,381,069.87
  5. Step 5: Solve for x
    x = 4,412,381,069.87/84,662.10
  6. Step 6: Final answer
    x = 52,117.55

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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.