Home / 75,249.91-112,865.64-43,677.17

Finding the Fourth Proportional to 75,249.91, 112,865.64 and 43,677.17

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Solution

The fourth proportional to 75,249.91, 112,865.64 and 43,677.17 is: 65,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,249.91 : 112,865.64 = 43,677.17 : x
  2. Step 2: Convert to fraction form
    75,249.91/112,865.64 = 43,677.17/x
  3. Step 3: Cross multiply
    75,249.91x = 112,865.64 × 43,677.17
  4. Step 4: Simplify right side
    75,249.91x = 4,929,651,745.44
  5. Step 5: Solve for x
    x = 4,929,651,745.44/75,249.91
  6. Step 6: Final answer
    x = 65,510.40

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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.