Home / 84,510.20-126,764.94-34,613.48

Finding the Fourth Proportional to 84,510.20, 126,764.94 and 34,613.48

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Solution

The fourth proportional to 84,510.20, 126,764.94 and 34,613.48 is: 51,920.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,510.20 : 126,764.94 = 34,613.48 : x
  2. Step 2: Convert to fraction form
    84,510.20/126,764.94 = 34,613.48/x
  3. Step 3: Cross multiply
    84,510.20x = 126,764.94 × 34,613.48
  4. Step 4: Simplify right side
    84,510.20x = 4,387,775,715.39
  5. Step 5: Solve for x
    x = 4,387,775,715.39/84,510.20
  6. Step 6: Final answer
    x = 51,920.07

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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.