Home / 75,074.43-112,629.16-21,767.52

Finding the Fourth Proportional to 75,074.43, 112,629.16 and 21,767.52

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Solution

The fourth proportional to 75,074.43, 112,629.16 and 21,767.52 is: 32,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,074.43 : 112,629.16 = 21,767.52 : x
  2. Step 2: Convert to fraction form
    75,074.43/112,629.16 = 21,767.52/x
  3. Step 3: Cross multiply
    75,074.43x = 112,629.16 × 21,767.52
  4. Step 4: Simplify right side
    75,074.43x = 2,451,657,492.88
  5. Step 5: Solve for x
    x = 2,451,657,492.88/75,074.43
  6. Step 6: Final answer
    x = 32,656.36

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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.