Home / 106,972.76-147,622.42-58,577.74

Finding the Fourth Proportional to 106,972.76, 147,622.42 and 58,577.74

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Solution

The fourth proportional to 106,972.76, 147,622.42 and 58,577.74 is: 80,837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,972.76 : 147,622.42 = 58,577.74 : x
  2. Step 2: Convert to fraction form
    106,972.76/147,622.42 = 58,577.74/x
  3. Step 3: Cross multiply
    106,972.76x = 147,622.42 × 58,577.74
  4. Step 4: Simplify right side
    106,972.76x = 8,647,387,736.93
  5. Step 5: Solve for x
    x = 8,647,387,736.93/106,972.76
  6. Step 6: Final answer
    x = 80,837.29

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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.