Home / 54,961.29-82,432.62-15,509.16

Finding the Fourth Proportional to 54,961.29, 82,432.62 and 15,509.16

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Solution

The fourth proportional to 54,961.29, 82,432.62 and 15,509.16 is: 23,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,961.29 : 82,432.62 = 15,509.16 : x
  2. Step 2: Convert to fraction form
    54,961.29/82,432.62 = 15,509.16/x
  3. Step 3: Cross multiply
    54,961.29x = 82,432.62 × 15,509.16
  4. Step 4: Simplify right side
    54,961.29x = 1,278,460,692.80
  5. Step 5: Solve for x
    x = 1,278,460,692.80/54,961.29
  6. Step 6: Final answer
    x = 23,261.11

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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.