Home / 54,114.30-81,171.45-52,040.70

Finding the Fourth Proportional to 54,114.30, 81,171.45 and 52,040.70

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Solution

The fourth proportional to 54,114.30, 81,171.45 and 52,040.70 is: 78,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,114.30 : 81,171.45 = 52,040.70 : x
  2. Step 2: Convert to fraction form
    54,114.30/81,171.45 = 52,040.70/x
  3. Step 3: Cross multiply
    54,114.30x = 81,171.45 × 52,040.70
  4. Step 4: Simplify right side
    54,114.30x = 4,224,219,078.02
  5. Step 5: Solve for x
    x = 4,224,219,078.02/54,114.30
  6. Step 6: Final answer
    x = 78,061.05

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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.