Home / 75,934.50-113,815.32-33,751.20

Finding the Fourth Proportional to 75,934.50, 113,815.32 and 33,751.20

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Solution

The fourth proportional to 75,934.50, 113,815.32 and 33,751.20 is: 50,588.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,934.50 : 113,815.32 = 33,751.20 : x
  2. Step 2: Convert to fraction form
    75,934.50/113,815.32 = 33,751.20/x
  3. Step 3: Cross multiply
    75,934.50x = 113,815.32 × 33,751.20
  4. Step 4: Simplify right side
    75,934.50x = 3,841,403,628.38
  5. Step 5: Solve for x
    x = 3,841,403,628.38/75,934.50
  6. Step 6: Final answer
    x = 50,588.38

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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.