Home / 74,761.28-112,122.48-22,156.64

Finding the Fourth Proportional to 74,761.28, 112,122.48 and 22,156.64

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Solution

The fourth proportional to 74,761.28, 112,122.48 and 22,156.64 is: 33,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,761.28 : 112,122.48 = 22,156.64 : x
  2. Step 2: Convert to fraction form
    74,761.28/112,122.48 = 22,156.64/x
  3. Step 3: Cross multiply
    74,761.28x = 112,122.48 × 22,156.64
  4. Step 4: Simplify right side
    74,761.28x = 2,484,257,425.27
  5. Step 5: Solve for x
    x = 2,484,257,425.27/74,761.28
  6. Step 6: Final answer
    x = 33,229.20

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1.5x scale

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.