Home / 115,874.25-173,889.28-40,994.10

Finding the Fourth Proportional to 115,874.25, 173,889.28 and 40,994.10

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Solution

The fourth proportional to 115,874.25, 173,889.28 and 40,994.10 is: 61,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,874.25 : 173,889.28 = 40,994.10 : x
  2. Step 2: Convert to fraction form
    115,874.25/173,889.28 = 40,994.10/x
  3. Step 3: Cross multiply
    115,874.25x = 173,889.28 × 40,994.10
  4. Step 4: Simplify right side
    115,874.25x = 7,128,434,584.49
  5. Step 5: Solve for x
    x = 7,128,434,584.49/115,874.25
  6. Step 6: Final answer
    x = 61,518.71

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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.