Home / 65,850.16-98,660.28-54,827.76

Finding the Fourth Proportional to 65,850.16, 98,660.28 and 54,827.76

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Solution

The fourth proportional to 65,850.16, 98,660.28 and 54,827.76 is: 82,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,850.16 : 98,660.28 = 54,827.76 : x
  2. Step 2: Convert to fraction form
    65,850.16/98,660.28 = 54,827.76/x
  3. Step 3: Cross multiply
    65,850.16x = 98,660.28 × 54,827.76
  4. Step 4: Simplify right side
    65,850.16x = 5,409,322,153.37
  5. Step 5: Solve for x
    x = 5,409,322,153.37/65,850.16
  6. Step 6: Final answer
    x = 82,145.92

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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.