Home / 84,077.85-126,125.66-34,150.46

Finding the Fourth Proportional to 84,077.85, 126,125.66 and 34,150.46

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Solution

The fourth proportional to 84,077.85, 126,125.66 and 34,150.46 is: 51,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,077.85 : 126,125.66 = 34,150.46 : x
  2. Step 2: Convert to fraction form
    84,077.85/126,125.66 = 34,150.46/x
  3. Step 3: Cross multiply
    84,077.85x = 126,125.66 × 34,150.46
  4. Step 4: Simplify right side
    84,077.85x = 4,307,249,278.91
  5. Step 5: Solve for x
    x = 4,307,249,278.91/84,077.85
  6. Step 6: Final answer
    x = 51,229.30

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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.