Home / 84,023.80-126,088.24-34,103.90

Finding the Fourth Proportional to 84,023.80, 126,088.24 and 34,103.90

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Solution

The fourth proportional to 84,023.80, 126,088.24 and 34,103.90 is: 51,177.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,023.80 : 126,088.24 = 34,103.90 : x
  2. Step 2: Convert to fraction form
    84,023.80/126,088.24 = 34,103.90/x
  3. Step 3: Cross multiply
    84,023.80x = 126,088.24 × 34,103.90
  4. Step 4: Simplify right side
    84,023.80x = 4,300,100,728.14
  5. Step 5: Solve for x
    x = 4,300,100,728.14/84,023.80
  6. Step 6: Final answer
    x = 51,177.18

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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.