Home / 80,884.51-121,326.75-24,724.78

Finding the Fourth Proportional to 80,884.51, 121,326.75 and 24,724.78

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Solution

The fourth proportional to 80,884.51, 121,326.75 and 24,724.78 is: 37,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,884.51 : 121,326.75 = 24,724.78 : x
  2. Step 2: Convert to fraction form
    80,884.51/121,326.75 = 24,724.78/x
  3. Step 3: Cross multiply
    80,884.51x = 121,326.75 × 24,724.78
  4. Step 4: Simplify right side
    80,884.51x = 2,999,777,201.87
  5. Step 5: Solve for x
    x = 2,999,777,201.87/80,884.51
  6. Step 6: Final answer
    x = 37,087.17

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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.