Home / 48,385.68-66,772.20-27,164.88

Finding the Fourth Proportional to 48,385.68, 66,772.20 and 27,164.88

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Solution

The fourth proportional to 48,385.68, 66,772.20 and 27,164.88 is: 37,487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385.68 : 66,772.20 = 27,164.88 : x
  2. Step 2: Convert to fraction form
    48,385.68/66,772.20 = 27,164.88/x
  3. Step 3: Cross multiply
    48,385.68x = 66,772.20 × 27,164.88
  4. Step 4: Simplify right side
    48,385.68x = 1,813,858,800.34
  5. Step 5: Solve for x
    x = 1,813,858,800.34/48,385.68
  6. Step 6: Final answer
    x = 37,487.51

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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.