Home / 124,732.24-187,188-49,809.44

Finding the Fourth Proportional to 124,732.24, 187,188 and 49,809.44

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Solution

The fourth proportional to 124,732.24, 187,188 and 49,809.44 is: 74,749.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,732.24 : 187,188 = 49,809.44 : x
  2. Step 2: Convert to fraction form
    124,732.24/187,188 = 49,809.44/x
  3. Step 3: Cross multiply
    124,732.24x = 187,188 × 49,809.44
  4. Step 4: Simplify right side
    124,732.24x = 9,323,729,454.72
  5. Step 5: Solve for x
    x = 9,323,729,454.72/124,732.24
  6. Step 6: Final answer
    x = 74,749.96

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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.