Home / 75,307.03-112,979.21-22,716.43

Finding the Fourth Proportional to 75,307.03, 112,979.21 and 22,716.43

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Solution

The fourth proportional to 75,307.03, 112,979.21 and 22,716.43 is: 34,080.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,307.03 : 112,979.21 = 22,716.43 : x
  2. Step 2: Convert to fraction form
    75,307.03/112,979.21 = 22,716.43/x
  3. Step 3: Cross multiply
    75,307.03x = 112,979.21 × 22,716.43
  4. Step 4: Simplify right side
    75,307.03x = 2,566,483,919.39
  5. Step 5: Solve for x
    x = 2,566,483,919.39/75,307.03
  6. Step 6: Final answer
    x = 34,080.27

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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.