Home / 84,392.30-126,502.05-49,313.90

Finding the Fourth Proportional to 84,392.30, 126,502.05 and 49,313.90

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Solution

The fourth proportional to 84,392.30, 126,502.05 and 49,313.90 is: 73,920.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,392.30 : 126,502.05 = 49,313.90 : x
  2. Step 2: Convert to fraction form
    84,392.30/126,502.05 = 49,313.90/x
  3. Step 3: Cross multiply
    84,392.30x = 126,502.05 × 49,313.90
  4. Step 4: Simplify right side
    84,392.30x = 6,238,309,443.50
  5. Step 5: Solve for x
    x = 6,238,309,443.50/84,392.30
  6. Step 6: Final answer
    x = 73,920.36

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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.