Home / 90,538.93-124,942.50-50,252.58

Finding the Fourth Proportional to 90,538.93, 124,942.50 and 50,252.58

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Solution

The fourth proportional to 90,538.93, 124,942.50 and 50,252.58 is: 69,347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,538.93 : 124,942.50 = 50,252.58 : x
  2. Step 2: Convert to fraction form
    90,538.93/124,942.50 = 50,252.58/x
  3. Step 3: Cross multiply
    90,538.93x = 124,942.50 × 50,252.58
  4. Step 4: Simplify right side
    90,538.93x = 6,278,682,976.65
  5. Step 5: Solve for x
    x = 6,278,682,976.65/90,538.93
  6. Step 6: Final answer
    x = 69,347.88

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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.