Home / 106,353.45-159,379.78-58,989.41

Finding the Fourth Proportional to 106,353.45, 159,379.78 and 58,989.41

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Solution

The fourth proportional to 106,353.45, 159,379.78 and 58,989.41 is: 88,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,353.45 : 159,379.78 = 58,989.41 : x
  2. Step 2: Convert to fraction form
    106,353.45/159,379.78 = 58,989.41/x
  3. Step 3: Cross multiply
    106,353.45x = 159,379.78 × 58,989.41
  4. Step 4: Simplify right side
    106,353.45x = 9,401,719,188.13
  5. Step 5: Solve for x
    x = 9,401,719,188.13/106,353.45
  6. Step 6: Final answer
    x = 88,400.70

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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.