Home / 84,411.43-126,617.13-34,491.48

Finding the Fourth Proportional to 84,411.43, 126,617.13 and 34,491.48

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Solution

The fourth proportional to 84,411.43, 126,617.13 and 34,491.48 is: 51,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,411.43 : 126,617.13 = 34,491.48 : x
  2. Step 2: Convert to fraction form
    84,411.43/126,617.13 = 34,491.48/x
  3. Step 3: Cross multiply
    84,411.43x = 126,617.13 × 34,491.48
  4. Step 4: Simplify right side
    84,411.43x = 4,367,212,207.05
  5. Step 5: Solve for x
    x = 4,367,212,207.05/84,411.43
  6. Step 6: Final answer
    x = 51,737.21

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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.