Home / 84,469.29-126,720.95-40,100.73

Finding the Fourth Proportional to 84,469.29, 126,720.95 and 40,100.73

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Solution

The fourth proportional to 84,469.29, 126,720.95 and 40,100.73 is: 60,159.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,469.29 : 126,720.95 = 40,100.73 : x
  2. Step 2: Convert to fraction form
    84,469.29/126,720.95 = 40,100.73/x
  3. Step 3: Cross multiply
    84,469.29x = 126,720.95 × 40,100.73
  4. Step 4: Simplify right side
    84,469.29x = 5,081,602,400.79
  5. Step 5: Solve for x
    x = 5,081,602,400.79/84,469.29
  6. Step 6: Final answer
    x = 60,159.17

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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.