Home / 65,757.16-98,660.31-34,147.45

Finding the Fourth Proportional to 65,757.16, 98,660.31 and 34,147.45

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Solution

The fourth proportional to 65,757.16, 98,660.31 and 34,147.45 is: 51,233.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,757.16 : 98,660.31 = 34,147.45 : x
  2. Step 2: Convert to fraction form
    65,757.16/98,660.31 = 34,147.45/x
  3. Step 3: Cross multiply
    65,757.16x = 98,660.31 × 34,147.45
  4. Step 4: Simplify right side
    65,757.16x = 3,368,998,002.71
  5. Step 5: Solve for x
    x = 3,368,998,002.71/65,757.16
  6. Step 6: Final answer
    x = 51,233.93

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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.