Home / 84,209.01-126,207.74-42,100.82

Finding the Fourth Proportional to 84,209.01, 126,207.74 and 42,100.82

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Solution

The fourth proportional to 84,209.01, 126,207.74 and 42,100.82 is: 63,098.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,209.01 : 126,207.74 = 42,100.82 : x
  2. Step 2: Convert to fraction form
    84,209.01/126,207.74 = 42,100.82/x
  3. Step 3: Cross multiply
    84,209.01x = 126,207.74 × 42,100.82
  4. Step 4: Simplify right side
    84,209.01x = 5,313,448,502.80
  5. Step 5: Solve for x
    x = 5,313,448,502.80/84,209.01
  6. Step 6: Final answer
    x = 63,098.34

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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.