Home / 75,387.66-113,081.49-33,805.50

Finding the Fourth Proportional to 75,387.66, 113,081.49 and 33,805.50

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Solution

The fourth proportional to 75,387.66, 113,081.49 and 33,805.50 is: 50,708.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,387.66 : 113,081.49 = 33,805.50 : x
  2. Step 2: Convert to fraction form
    75,387.66/113,081.49 = 33,805.50/x
  3. Step 3: Cross multiply
    75,387.66x = 113,081.49 × 33,805.50
  4. Step 4: Simplify right side
    75,387.66x = 3,822,776,310.20
  5. Step 5: Solve for x
    x = 3,822,776,310.20/75,387.66
  6. Step 6: Final answer
    x = 50,708.25

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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.