Home / 84,551.41-126,767.04-42,401.09

Finding the Fourth Proportional to 84,551.41, 126,767.04 and 42,401.09

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Solution

The fourth proportional to 84,551.41, 126,767.04 and 42,401.09 is: 63,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,551.41 : 126,767.04 = 42,401.09 : x
  2. Step 2: Convert to fraction form
    84,551.41/126,767.04 = 42,401.09/x
  3. Step 3: Cross multiply
    84,551.41x = 126,767.04 × 42,401.09
  4. Step 4: Simplify right side
    84,551.41x = 5,375,060,672.07
  5. Step 5: Solve for x
    x = 5,375,060,672.07/84,551.41
  6. Step 6: Final answer
    x = 63,571.51

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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.