Home / 48,743.19-67,240.67-31,775.85

Finding the Fourth Proportional to 48,743.19, 67,240.67 and 31,775.85

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Solution

The fourth proportional to 48,743.19, 67,240.67 and 31,775.85 is: 43,834.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,743.19 : 67,240.67 = 31,775.85 : x
  2. Step 2: Convert to fraction form
    48,743.19/67,240.67 = 31,775.85/x
  3. Step 3: Cross multiply
    48,743.19x = 67,240.67 × 31,775.85
  4. Step 4: Simplify right side
    48,743.19x = 2,136,629,284.94
  5. Step 5: Solve for x
    x = 2,136,629,284.94/48,743.19
  6. Step 6: Final answer
    x = 43,834.42

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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.