Home / 54,517.86-75,368.82-54,018.90

Finding the Fourth Proportional to 54,517.86, 75,368.82 and 54,018.90

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Solution

The fourth proportional to 54,517.86, 75,368.82 and 54,018.90 is: 74,679.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,517.86 : 75,368.82 = 54,018.90 : x
  2. Step 2: Convert to fraction form
    54,517.86/75,368.82 = 54,018.90/x
  3. Step 3: Cross multiply
    54,517.86x = 75,368.82 × 54,018.90
  4. Step 4: Simplify right side
    54,517.86x = 4,071,340,750.70
  5. Step 5: Solve for x
    x = 4,071,340,750.70/54,517.86
  6. Step 6: Final answer
    x = 74,679.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.