Home / 136,675.92-205,090.43-57,849.15

Finding the Fourth Proportional to 136,675.92, 205,090.43 and 57,849.15

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Solution

The fourth proportional to 136,675.92, 205,090.43 and 57,849.15 is: 86,806.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,675.92 : 205,090.43 = 57,849.15 : x
  2. Step 2: Convert to fraction form
    136,675.92/205,090.43 = 57,849.15/x
  3. Step 3: Cross multiply
    136,675.92x = 205,090.43 × 57,849.15
  4. Step 4: Simplify right side
    136,675.92x = 11,864,306,759.39
  5. Step 5: Solve for x
    x = 11,864,306,759.39/136,675.92
  6. Step 6: Final answer
    x = 86,806.12

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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.