Home / 84,030.38-126,043.03-34,109.27

Finding the Fourth Proportional to 84,030.38, 126,043.03 and 34,109.27

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Solution

The fourth proportional to 84,030.38, 126,043.03 and 34,109.27 is: 51,162.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,030.38 : 126,043.03 = 34,109.27 : x
  2. Step 2: Convert to fraction form
    84,030.38/126,043.03 = 34,109.27/x
  3. Step 3: Cross multiply
    84,030.38x = 126,043.03 × 34,109.27
  4. Step 4: Simplify right side
    84,030.38x = 4,299,234,941.13
  5. Step 5: Solve for x
    x = 4,299,234,941.13/84,030.38
  6. Step 6: Final answer
    x = 51,162.87

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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.