Home / 115,610.96-159,554.61-67,863.29

Finding the Fourth Proportional to 115,610.96, 159,554.61 and 67,863.29

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Solution

The fourth proportional to 115,610.96, 159,554.61 and 67,863.29 is: 93,658.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,610.96 : 159,554.61 = 67,863.29 : x
  2. Step 2: Convert to fraction form
    115,610.96/159,554.61 = 67,863.29/x
  3. Step 3: Cross multiply
    115,610.96x = 159,554.61 × 67,863.29
  4. Step 4: Simplify right side
    115,610.96x = 10,827,899,971.49
  5. Step 5: Solve for x
    x = 10,827,899,971.49/115,610.96
  6. Step 6: Final answer
    x = 93,658.07

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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.