Home / 137,023.23-205,562.39-48,339.57

Finding the Fourth Proportional to 137,023.23, 205,562.39 and 48,339.57

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Solution

The fourth proportional to 137,023.23, 205,562.39 and 48,339.57 is: 72,519.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,023.23 : 205,562.39 = 48,339.57 : x
  2. Step 2: Convert to fraction form
    137,023.23/205,562.39 = 48,339.57/x
  3. Step 3: Cross multiply
    137,023.23x = 205,562.39 × 48,339.57
  4. Step 4: Simplify right side
    137,023.23x = 9,936,797,299.07
  5. Step 5: Solve for x
    x = 9,936,797,299.07/137,023.23
  6. Step 6: Final answer
    x = 72,519.07

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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.