Home / 54,294.40-81,441.60-52,326.10

Finding the Fourth Proportional to 54,294.40, 81,441.60 and 52,326.10

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Solution

The fourth proportional to 54,294.40, 81,441.60 and 52,326.10 is: 78,489.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,294.40 : 81,441.60 = 52,326.10 : x
  2. Step 2: Convert to fraction form
    54,294.40/81,441.60 = 52,326.10/x
  3. Step 3: Cross multiply
    54,294.40x = 81,441.60 × 52,326.10
  4. Step 4: Simplify right side
    54,294.40x = 4,261,521,305.76
  5. Step 5: Solve for x
    x = 4,261,521,305.76/54,294.40
  6. Step 6: Final answer
    x = 78,489.15

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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.