Home / 48,408.10-72,620.64-22,115.50

Finding the Fourth Proportional to 48,408.10, 72,620.64 and 22,115.50

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Solution

The fourth proportional to 48,408.10, 72,620.64 and 22,115.50 is: 33,177.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,408.10 : 72,620.64 = 22,115.50 : x
  2. Step 2: Convert to fraction form
    48,408.10/72,620.64 = 22,115.50/x
  3. Step 3: Cross multiply
    48,408.10x = 72,620.64 × 22,115.50
  4. Step 4: Simplify right side
    48,408.10x = 1,606,041,763.92
  5. Step 5: Solve for x
    x = 1,606,041,763.92/48,408.10
  6. Step 6: Final answer
    x = 33,177.13

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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.