Home / 91,850.04-137,826.09-49,729.50

Finding the Fourth Proportional to 91,850.04, 137,826.09 and 49,729.50

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Solution

The fourth proportional to 91,850.04, 137,826.09 and 49,729.50 is: 74,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,850.04 : 137,826.09 = 49,729.50 : x
  2. Step 2: Convert to fraction form
    91,850.04/137,826.09 = 49,729.50/x
  3. Step 3: Cross multiply
    91,850.04x = 137,826.09 × 49,729.50
  4. Step 4: Simplify right side
    91,850.04x = 6,854,022,542.66
  5. Step 5: Solve for x
    x = 6,854,022,542.66/91,850.04
  6. Step 6: Final answer
    x = 74,621.88

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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.