Home / 91,947.36-137,931.84-32,791.44

Finding the Fourth Proportional to 91,947.36, 137,931.84 and 32,791.44

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Solution

The fourth proportional to 91,947.36, 137,931.84 and 32,791.44 is: 49,191.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,947.36 : 137,931.84 = 32,791.44 : x
  2. Step 2: Convert to fraction form
    91,947.36/137,931.84 = 32,791.44/x
  3. Step 3: Cross multiply
    91,947.36x = 137,931.84 × 32,791.44
  4. Step 4: Simplify right side
    91,947.36x = 4,522,983,655.45
  5. Step 5: Solve for x
    x = 4,522,983,655.45/91,947.36
  6. Step 6: Final answer
    x = 49,191.01

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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.