Home / 115,901.20-173,963.92-55,971.68

Finding the Fourth Proportional to 115,901.20, 173,963.92 and 55,971.68

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Solution

The fourth proportional to 115,901.20, 173,963.92 and 55,971.68 is: 84,011.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,901.20 : 173,963.92 = 55,971.68 : x
  2. Step 2: Convert to fraction form
    115,901.20/173,963.92 = 55,971.68/x
  3. Step 3: Cross multiply
    115,901.20x = 173,963.92 × 55,971.68
  4. Step 4: Simplify right side
    115,901.20x = 9,737,052,861.79
  5. Step 5: Solve for x
    x = 9,737,052,861.79/115,901.20
  6. Step 6: Final answer
    x = 84,011.67

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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.