Home / 75,414.84-103,986.23-48,153.89

Finding the Fourth Proportional to 75,414.84, 103,986.23 and 48,153.89

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Solution

The fourth proportional to 75,414.84, 103,986.23 and 48,153.89 is: 66,397.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,414.84 : 103,986.23 = 48,153.89 : x
  2. Step 2: Convert to fraction form
    75,414.84/103,986.23 = 48,153.89/x
  3. Step 3: Cross multiply
    75,414.84x = 103,986.23 × 48,153.89
  4. Step 4: Simplify right side
    75,414.84x = 5,007,340,720.23
  5. Step 5: Solve for x
    x = 5,007,340,720.23/75,414.84
  6. Step 6: Final answer
    x = 66,397.29

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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.