Home / 55,264.56-82,872.48-15,812.72

Finding the Fourth Proportional to 55,264.56, 82,872.48 and 15,812.72

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Solution

The fourth proportional to 55,264.56, 82,872.48 and 15,812.72 is: 23,712.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,264.56 : 82,872.48 = 15,812.72 : x
  2. Step 2: Convert to fraction form
    55,264.56/82,872.48 = 15,812.72/x
  3. Step 3: Cross multiply
    55,264.56x = 82,872.48 × 15,812.72
  4. Step 4: Simplify right side
    55,264.56x = 1,310,439,321.95
  5. Step 5: Solve for x
    x = 1,310,439,321.95/55,264.56
  6. Step 6: Final answer
    x = 23,712.11

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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.