Home / 105,580.68-158,351.22-52,976.04

Finding the Fourth Proportional to 105,580.68, 158,351.22 and 52,976.04

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Solution

The fourth proportional to 105,580.68, 158,351.22 and 52,976.04 is: 79,454.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,580.68 : 158,351.22 = 52,976.04 : x
  2. Step 2: Convert to fraction form
    105,580.68/158,351.22 = 52,976.04/x
  3. Step 3: Cross multiply
    105,580.68x = 158,351.22 × 52,976.04
  4. Step 4: Simplify right side
    105,580.68x = 8,388,820,564.77
  5. Step 5: Solve for x
    x = 8,388,820,564.77/105,580.68
  6. Step 6: Final answer
    x = 79,454.13

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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.