Home / 84,440.26-126,660.28-40,042.79

Finding the Fourth Proportional to 84,440.26, 126,660.28 and 40,042.79

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Solution

The fourth proportional to 84,440.26, 126,660.28 and 40,042.79 is: 60,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,440.26 : 126,660.28 = 40,042.79 : x
  2. Step 2: Convert to fraction form
    84,440.26/126,660.28 = 40,042.79/x
  3. Step 3: Cross multiply
    84,440.26x = 126,660.28 × 40,042.79
  4. Step 4: Simplify right side
    84,440.26x = 5,071,830,993.38
  5. Step 5: Solve for x
    x = 5,071,830,993.38/84,440.26
  6. Step 6: Final answer
    x = 60,064.13

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1.5x scale

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.