Home / 75,121.46-112,608.06-41,857.18

Finding the Fourth Proportional to 75,121.46, 112,608.06 and 41,857.18

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Solution

The fourth proportional to 75,121.46, 112,608.06 and 41,857.18 is: 62,744.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,121.46 : 112,608.06 = 41,857.18 : x
  2. Step 2: Convert to fraction form
    75,121.46/112,608.06 = 41,857.18/x
  3. Step 3: Cross multiply
    75,121.46x = 112,608.06 × 41,857.18
  4. Step 4: Simplify right side
    75,121.46x = 4,713,455,836.87
  5. Step 5: Solve for x
    x = 4,713,455,836.87/75,121.46
  6. Step 6: Final answer
    x = 62,744.47

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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.