Home / 115,919.51-173,940.82-45,799.43

Finding the Fourth Proportional to 115,919.51, 173,940.82 and 45,799.43

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Solution

The fourth proportional to 115,919.51, 173,940.82 and 45,799.43 is: 68,723.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,919.51 : 173,940.82 = 45,799.43 : x
  2. Step 2: Convert to fraction form
    115,919.51/173,940.82 = 45,799.43/x
  3. Step 3: Cross multiply
    115,919.51x = 173,940.82 × 45,799.43
  4. Step 4: Simplify right side
    115,919.51x = 7,966,389,425.53
  5. Step 5: Solve for x
    x = 7,966,389,425.53/115,919.51
  6. Step 6: Final answer
    x = 68,723.46

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1.5x scale

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.