Home / 115,439.56-173,176.65-40,546.50

Finding the Fourth Proportional to 115,439.56, 173,176.65 and 40,546.50

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Solution

The fourth proportional to 115,439.56, 173,176.65 and 40,546.50 is: 60,825.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,439.56 : 173,176.65 = 40,546.50 : x
  2. Step 2: Convert to fraction form
    115,439.56/173,176.65 = 40,546.50/x
  3. Step 3: Cross multiply
    115,439.56x = 173,176.65 × 40,546.50
  4. Step 4: Simplify right side
    115,439.56x = 7,021,707,039.23
  5. Step 5: Solve for x
    x = 7,021,707,039.23/115,439.56
  6. Step 6: Final answer
    x = 60,825.83

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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.