Home / 54,915.23-82,378.31-25,341.53

Finding the Fourth Proportional to 54,915.23, 82,378.31 and 25,341.53

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Solution

The fourth proportional to 54,915.23, 82,378.31 and 25,341.53 is: 38,014.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,915.23 : 82,378.31 = 25,341.53 : x
  2. Step 2: Convert to fraction form
    54,915.23/82,378.31 = 25,341.53/x
  3. Step 3: Cross multiply
    54,915.23x = 82,378.31 × 25,341.53
  4. Step 4: Simplify right side
    54,915.23x = 2,087,591,875.62
  5. Step 5: Solve for x
    x = 2,087,591,875.62/54,915.23
  6. Step 6: Final answer
    x = 38,014.81

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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.