Home / 48,882.15-67,453.36-28,739.88

Finding the Fourth Proportional to 48,882.15, 67,453.36 and 28,739.88

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Solution

The fourth proportional to 48,882.15, 67,453.36 and 28,739.88 is: 39,658.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,882.15 : 67,453.36 = 28,739.88 : x
  2. Step 2: Convert to fraction form
    48,882.15/67,453.36 = 28,739.88/x
  3. Step 3: Cross multiply
    48,882.15x = 67,453.36 × 28,739.88
  4. Step 4: Simplify right side
    48,882.15x = 1,938,601,400.15
  5. Step 5: Solve for x
    x = 1,938,601,400.15/48,882.15
  6. Step 6: Final answer
    x = 39,658.68

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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.