Home / 84,308.85-126,470.43-34,392.33

Finding the Fourth Proportional to 84,308.85, 126,470.43 and 34,392.33

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Solution

The fourth proportional to 84,308.85, 126,470.43 and 34,392.33 is: 51,591.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,308.85 : 126,470.43 = 34,392.33 : x
  2. Step 2: Convert to fraction form
    84,308.85/126,470.43 = 34,392.33/x
  3. Step 3: Cross multiply
    84,308.85x = 126,470.43 × 34,392.33
  4. Step 4: Simplify right side
    84,308.85x = 4,349,612,763.80
  5. Step 5: Solve for x
    x = 4,349,612,763.80/84,308.85
  6. Step 6: Final answer
    x = 51,591.41

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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.