Home / 115,489.10-173,233.65-65,549.90

Finding the Fourth Proportional to 115,489.10, 173,233.65 and 65,549.90

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Solution

The fourth proportional to 115,489.10, 173,233.65 and 65,549.90 is: 98,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,489.10 : 173,233.65 = 65,549.90 : x
  2. Step 2: Convert to fraction form
    115,489.10/173,233.65 = 65,549.90/x
  3. Step 3: Cross multiply
    115,489.10x = 173,233.65 × 65,549.90
  4. Step 4: Simplify right side
    115,489.10x = 11,355,448,434.14
  5. Step 5: Solve for x
    x = 11,355,448,434.14/115,489.10
  6. Step 6: Final answer
    x = 98,324.85

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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.