Home / 52,961.57-79,442.28-13,518.68

Finding the Fourth Proportional to 52,961.57, 79,442.28 and 13,518.68

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Solution

The fourth proportional to 52,961.57, 79,442.28 and 13,518.68 is: 20,278.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,961.57 : 79,442.28 = 13,518.68 : x
  2. Step 2: Convert to fraction form
    52,961.57/79,442.28 = 13,518.68/x
  3. Step 3: Cross multiply
    52,961.57x = 79,442.28 × 13,518.68
  4. Step 4: Simplify right side
    52,961.57x = 1,073,954,694.20
  5. Step 5: Solve for x
    x = 1,073,954,694.20/52,961.57
  6. Step 6: Final answer
    x = 20,278.00

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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.