Home / 48,121.12-72,181.68-16,948.96

Finding the Fourth Proportional to 48,121.12, 72,181.68 and 16,948.96

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Solution

The fourth proportional to 48,121.12, 72,181.68 and 16,948.96 is: 25,423.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,121.12 : 72,181.68 = 16,948.96 : x
  2. Step 2: Convert to fraction form
    48,121.12/72,181.68 = 16,948.96/x
  3. Step 3: Cross multiply
    48,121.12x = 72,181.68 × 16,948.96
  4. Step 4: Simplify right side
    48,121.12x = 1,223,404,407.05
  5. Step 5: Solve for x
    x = 1,223,404,407.05/48,121.12
  6. Step 6: Final answer
    x = 25,423.44

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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.