Home / 84,571.20-126,684.56-40,063.04

Finding the Fourth Proportional to 84,571.20, 126,684.56 and 40,063.04

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Solution

The fourth proportional to 84,571.20, 126,684.56 and 40,063.04 is: 60,012.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,571.20 : 126,684.56 = 40,063.04 : x
  2. Step 2: Convert to fraction form
    84,571.20/126,684.56 = 40,063.04/x
  3. Step 3: Cross multiply
    84,571.20x = 126,684.56 × 40,063.04
  4. Step 4: Simplify right side
    84,571.20x = 5,075,368,594.66
  5. Step 5: Solve for x
    x = 5,075,368,594.66/84,571.20
  6. Step 6: Final answer
    x = 60,012.97

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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.