Home / 84,656.10-126,872.76-47,233.80

Finding the Fourth Proportional to 84,656.10, 126,872.76 and 47,233.80

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Solution

The fourth proportional to 84,656.10, 126,872.76 and 47,233.80 is: 70,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,656.10 : 126,872.76 = 47,233.80 : x
  2. Step 2: Convert to fraction form
    84,656.10/126,872.76 = 47,233.80/x
  3. Step 3: Cross multiply
    84,656.10x = 126,872.76 × 47,233.80
  4. Step 4: Simplify right side
    84,656.10x = 5,992,682,571.29
  5. Step 5: Solve for x
    x = 5,992,682,571.29/84,656.10
  6. Step 6: Final answer
    x = 70,788.55

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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.