Home / 74,532.40-111,760.20-27,761.20

Finding the Fourth Proportional to 74,532.40, 111,760.20 and 27,761.20

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Solution

The fourth proportional to 74,532.40, 111,760.20 and 27,761.20 is: 41,627.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,532.40 : 111,760.20 = 27,761.20 : x
  2. Step 2: Convert to fraction form
    74,532.40/111,760.20 = 27,761.20/x
  3. Step 3: Cross multiply
    74,532.40x = 111,760.20 × 27,761.20
  4. Step 4: Simplify right side
    74,532.40x = 3,102,597,264.24
  5. Step 5: Solve for x
    x = 3,102,597,264.24/74,532.40
  6. Step 6: Final answer
    x = 41,627.50

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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.