Home / 75,765.16-104,578.86-43,941.88

Finding the Fourth Proportional to 75,765.16, 104,578.86 and 43,941.88

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Solution

The fourth proportional to 75,765.16, 104,578.86 and 43,941.88 is: 60,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,765.16 : 104,578.86 = 43,941.88 : x
  2. Step 2: Convert to fraction form
    75,765.16/104,578.86 = 43,941.88/x
  3. Step 3: Cross multiply
    75,765.16x = 104,578.86 × 43,941.88
  4. Step 4: Simplify right side
    75,765.16x = 4,595,391,716.66
  5. Step 5: Solve for x
    x = 4,595,391,716.66/75,765.16
  6. Step 6: Final answer
    x = 60,653.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.