Home / 54,121.92-74,655.36-32,915.76

Finding the Fourth Proportional to 54,121.92, 74,655.36 and 32,915.76

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Solution

The fourth proportional to 54,121.92, 74,655.36 and 32,915.76 is: 45,403.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,121.92 : 74,655.36 = 32,915.76 : x
  2. Step 2: Convert to fraction form
    54,121.92/74,655.36 = 32,915.76/x
  3. Step 3: Cross multiply
    54,121.92x = 74,655.36 × 32,915.76
  4. Step 4: Simplify right side
    54,121.92x = 2,457,337,912.47
  5. Step 5: Solve for x
    x = 2,457,337,912.47/54,121.92
  6. Step 6: Final answer
    x = 45,403.75

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1.5x scale

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.