Home / 91,918.40-137,889.36-32,760.04

Finding the Fourth Proportional to 91,918.40, 137,889.36 and 32,760.04

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Solution

The fourth proportional to 91,918.40, 137,889.36 and 32,760.04 is: 49,144.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,918.40 : 137,889.36 = 32,760.04 : x
  2. Step 2: Convert to fraction form
    91,918.40/137,889.36 = 32,760.04/x
  3. Step 3: Cross multiply
    91,918.40x = 137,889.36 × 32,760.04
  4. Step 4: Simplify right side
    91,918.40x = 4,517,260,949.17
  5. Step 5: Solve for x
    x = 4,517,260,949.17/91,918.40
  6. Step 6: Final answer
    x = 49,144.25

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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.