Home / 115,919.40-173,904.30-66,023.40

Finding the Fourth Proportional to 115,919.40, 173,904.30 and 66,023.40

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Solution

The fourth proportional to 115,919.40, 173,904.30 and 66,023.40 is: 99,049.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,919.40 : 173,904.30 = 66,023.40 : x
  2. Step 2: Convert to fraction form
    115,919.40/173,904.30 = 66,023.40/x
  3. Step 3: Cross multiply
    115,919.40x = 173,904.30 × 66,023.40
  4. Step 4: Simplify right side
    115,919.40x = 11,481,753,160.62
  5. Step 5: Solve for x
    x = 11,481,753,160.62/115,919.40
  6. Step 6: Final answer
    x = 99,049.45

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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.