Home / 75,111.45-103,658.82-43,282.41

Finding the Fourth Proportional to 75,111.45, 103,658.82 and 43,282.41

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Solution

The fourth proportional to 75,111.45, 103,658.82 and 43,282.41 is: 59,732.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,111.45 : 103,658.82 = 43,282.41 : x
  2. Step 2: Convert to fraction form
    75,111.45/103,658.82 = 43,282.41/x
  3. Step 3: Cross multiply
    75,111.45x = 103,658.82 × 43,282.41
  4. Step 4: Simplify right side
    75,111.45x = 4,486,603,547.36
  5. Step 5: Solve for x
    x = 4,486,603,547.36/75,111.45
  6. Step 6: Final answer
    x = 59,732.62

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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.