Home / 82,921.44-114,414.48-48,928.20

Finding the Fourth Proportional to 82,921.44, 114,414.48 and 48,928.20

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Solution

The fourth proportional to 82,921.44, 114,414.48 and 48,928.20 is: 67,510.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,921.44 : 114,414.48 = 48,928.20 : x
  2. Step 2: Convert to fraction form
    82,921.44/114,414.48 = 48,928.20/x
  3. Step 3: Cross multiply
    82,921.44x = 114,414.48 × 48,928.20
  4. Step 4: Simplify right side
    82,921.44x = 5,598,094,560.34
  5. Step 5: Solve for x
    x = 5,598,094,560.34/82,921.44
  6. Step 6: Final answer
    x = 67,510.82

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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.