Home / 115,912.90-173,610.15-89,532.10

Finding the Fourth Proportional to 115,912.90, 173,610.15 and 89,532.10

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Solution

The fourth proportional to 115,912.90, 173,610.15 and 89,532.10 is: 134,097.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,912.90 : 173,610.15 = 89,532.10 : x
  2. Step 2: Convert to fraction form
    115,912.90/173,610.15 = 89,532.10/x
  3. Step 3: Cross multiply
    115,912.90x = 173,610.15 × 89,532.10
  4. Step 4: Simplify right side
    115,912.90x = 15,543,681,310.82
  5. Step 5: Solve for x
    x = 15,543,681,310.82/115,912.90
  6. Step 6: Final answer
    x = 134,097.94

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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.