Home / 74,839.84-103,179.73-62,044.72

Finding the Fourth Proportional to 74,839.84, 103,179.73 and 62,044.72

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Solution

The fourth proportional to 74,839.84, 103,179.73 and 62,044.72 is: 85,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,839.84 : 103,179.73 = 62,044.72 : x
  2. Step 2: Convert to fraction form
    74,839.84/103,179.73 = 62,044.72/x
  3. Step 3: Cross multiply
    74,839.84x = 103,179.73 × 62,044.72
  4. Step 4: Simplify right side
    74,839.84x = 6,401,756,631.40
  5. Step 5: Solve for x
    x = 6,401,756,631.40/74,839.84
  6. Step 6: Final answer
    x = 85,539.43

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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.