Home / 48,405.24-72,620.82-43,778.52

Finding the Fourth Proportional to 48,405.24, 72,620.82 and 43,778.52

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Solution

The fourth proportional to 48,405.24, 72,620.82 and 43,778.52 is: 65,679.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,405.24 : 72,620.82 = 43,778.52 : x
  2. Step 2: Convert to fraction form
    48,405.24/72,620.82 = 43,778.52/x
  3. Step 3: Cross multiply
    48,405.24x = 72,620.82 × 43,778.52
  4. Step 4: Simplify right side
    48,405.24x = 3,179,232,020.79
  5. Step 5: Solve for x
    x = 3,179,232,020.79/48,405.24
  6. Step 6: Final answer
    x = 65,679.50

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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.