Home / 84,251.43-126,287.23-42,048.40

Finding the Fourth Proportional to 84,251.43, 126,287.23 and 42,048.40

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Solution

The fourth proportional to 84,251.43, 126,287.23 and 42,048.40 is: 63,027.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,251.43 : 126,287.23 = 42,048.40 : x
  2. Step 2: Convert to fraction form
    84,251.43/126,287.23 = 42,048.40/x
  3. Step 3: Cross multiply
    84,251.43x = 126,287.23 × 42,048.40
  4. Step 4: Simplify right side
    84,251.43x = 5,310,175,751.69
  5. Step 5: Solve for x
    x = 5,310,175,751.69/84,251.43
  6. Step 6: Final answer
    x = 63,027.73

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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.