Home / 105,603.26-158,405.42-26,717.57

Finding the Fourth Proportional to 105,603.26, 158,405.42 and 26,717.57

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Solution

The fourth proportional to 105,603.26, 158,405.42 and 26,717.57 is: 40,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,603.26 : 158,405.42 = 26,717.57 : x
  2. Step 2: Convert to fraction form
    105,603.26/158,405.42 = 26,717.57/x
  3. Step 3: Cross multiply
    105,603.26x = 158,405.42 × 26,717.57
  4. Step 4: Simplify right side
    105,603.26x = 4,232,206,971.61
  5. Step 5: Solve for x
    x = 4,232,206,971.61/105,603.26
  6. Step 6: Final answer
    x = 40,076.48

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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.