Home / 115,521.71-173,238.82-45,362.75

Finding the Fourth Proportional to 115,521.71, 173,238.82 and 45,362.75

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Solution

The fourth proportional to 115,521.71, 173,238.82 and 45,362.75 is: 68,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,521.71 : 173,238.82 = 45,362.75 : x
  2. Step 2: Convert to fraction form
    115,521.71/173,238.82 = 45,362.75/x
  3. Step 3: Cross multiply
    115,521.71x = 173,238.82 × 45,362.75
  4. Step 4: Simplify right side
    115,521.71x = 7,858,589,281.96
  5. Step 5: Solve for x
    x = 7,858,589,281.96/115,521.71
  6. Step 6: Final answer
    x = 68,026.95

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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.