Home / 65,944.96-98,921.46-21,576.40

Finding the Fourth Proportional to 65,944.96, 98,921.46 and 21,576.40

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Solution

The fourth proportional to 65,944.96, 98,921.46 and 21,576.40 is: 32,365.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,944.96 : 98,921.46 = 21,576.40 : x
  2. Step 2: Convert to fraction form
    65,944.96/98,921.46 = 21,576.40/x
  3. Step 3: Cross multiply
    65,944.96x = 98,921.46 × 21,576.40
  4. Step 4: Simplify right side
    65,944.96x = 2,134,368,989.54
  5. Step 5: Solve for x
    x = 2,134,368,989.54/65,944.96
  6. Step 6: Final answer
    x = 32,365.92

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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.