Home / 105,793.21-158,716.07-52,510.20

Finding the Fourth Proportional to 105,793.21, 158,716.07 and 52,510.20

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Solution

The fourth proportional to 105,793.21, 158,716.07 and 52,510.20 is: 78,778.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,793.21 : 158,716.07 = 52,510.20 : x
  2. Step 2: Convert to fraction form
    105,793.21/158,716.07 = 52,510.20/x
  3. Step 3: Cross multiply
    105,793.21x = 158,716.07 × 52,510.20
  4. Step 4: Simplify right side
    105,793.21x = 8,334,212,578.91
  5. Step 5: Solve for x
    x = 8,334,212,578.91/105,793.21
  6. Step 6: Final answer
    x = 78,778.33

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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.