Home / 90,374.16-124,716.31-50,093.97

Finding the Fourth Proportional to 90,374.16, 124,716.31 and 50,093.97

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Solution

The fourth proportional to 90,374.16, 124,716.31 and 50,093.97 is: 69,129.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,374.16 : 124,716.31 = 50,093.97 : x
  2. Step 2: Convert to fraction form
    90,374.16/124,716.31 = 50,093.97/x
  3. Step 3: Cross multiply
    90,374.16x = 124,716.31 × 50,093.97
  4. Step 4: Simplify right side
    90,374.16x = 6,247,535,091.65
  5. Step 5: Solve for x
    x = 6,247,535,091.65/90,374.16
  6. Step 6: Final answer
    x = 69,129.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.