Home / 115,829.40-173,744.10-49,271.70

Finding the Fourth Proportional to 115,829.40, 173,744.10 and 49,271.70

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Solution

The fourth proportional to 115,829.40, 173,744.10 and 49,271.70 is: 73,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,829.40 : 173,744.10 = 49,271.70 : x
  2. Step 2: Convert to fraction form
    115,829.40/173,744.10 = 49,271.70/x
  3. Step 3: Cross multiply
    115,829.40x = 173,744.10 × 49,271.70
  4. Step 4: Simplify right side
    115,829.40x = 8,560,667,171.97
  5. Step 5: Solve for x
    x = 8,560,667,171.97/115,829.40
  6. Step 6: Final answer
    x = 73,907.55

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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.