Home / 115,764.40-173,656.20-36,876.40

Finding the Fourth Proportional to 115,764.40, 173,656.20 and 36,876.40

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Solution

The fourth proportional to 115,764.40, 173,656.20 and 36,876.40 is: 55,317.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,764.40 : 173,656.20 = 36,876.40 : x
  2. Step 2: Convert to fraction form
    115,764.40/173,656.20 = 36,876.40/x
  3. Step 3: Cross multiply
    115,764.40x = 173,656.20 × 36,876.40
  4. Step 4: Simplify right side
    115,764.40x = 6,403,815,493.68
  5. Step 5: Solve for x
    x = 6,403,815,493.68/115,764.40
  6. Step 6: Final answer
    x = 55,317.66

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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.