Home / 115,497.11-173,079.81-68,000.04

Finding the Fourth Proportional to 115,497.11, 173,079.81 and 68,000.04

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Solution

The fourth proportional to 115,497.11, 173,079.81 and 68,000.04 is: 101,902.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,497.11 : 173,079.81 = 68,000.04 : x
  2. Step 2: Convert to fraction form
    115,497.11/173,079.81 = 68,000.04/x
  3. Step 3: Cross multiply
    115,497.11x = 173,079.81 × 68,000.04
  4. Step 4: Simplify right side
    115,497.11x = 11,769,434,003.19
  5. Step 5: Solve for x
    x = 11,769,434,003.19/115,497.11
  6. Step 6: Final answer
    x = 101,902.41

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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.