Home / 84,941.02-126,694.85-73,759.78

Finding the Fourth Proportional to 84,941.02, 126,694.85 and 73,759.78

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Solution

The fourth proportional to 84,941.02, 126,694.85 and 73,759.78 is: 110,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,941.02 : 126,694.85 = 73,759.78 : x
  2. Step 2: Convert to fraction form
    84,941.02/126,694.85 = 73,759.78/x
  3. Step 3: Cross multiply
    84,941.02x = 126,694.85 × 73,759.78
  4. Step 4: Simplify right side
    84,941.02x = 9,344,984,263.13
  5. Step 5: Solve for x
    x = 9,344,984,263.13/84,941.02
  6. Step 6: Final answer
    x = 110,017.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.