Home / 54,126.02-81,168.26-18,580.72

Finding the Fourth Proportional to 54,126.02, 81,168.26 and 18,580.72

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Solution

The fourth proportional to 54,126.02, 81,168.26 and 18,580.72 is: 27,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,126.02 : 81,168.26 = 18,580.72 : x
  2. Step 2: Convert to fraction form
    54,126.02/81,168.26 = 18,580.72/x
  3. Step 3: Cross multiply
    54,126.02x = 81,168.26 × 18,580.72
  4. Step 4: Simplify right side
    54,126.02x = 1,508,164,711.95
  5. Step 5: Solve for x
    x = 1,508,164,711.95/54,126.02
  6. Step 6: Final answer
    x = 27,863.95

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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.