Home / 109,815.66-164,551.14-65,418.12

Finding the Fourth Proportional to 109,815.66, 164,551.14 and 65,418.12

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Solution

The fourth proportional to 109,815.66, 164,551.14 and 65,418.12 is: 98,024.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,815.66 : 164,551.14 = 65,418.12 : x
  2. Step 2: Convert to fraction form
    109,815.66/164,551.14 = 65,418.12/x
  3. Step 3: Cross multiply
    109,815.66x = 164,551.14 × 65,418.12
  4. Step 4: Simplify right side
    109,815.66x = 10,764,626,222.66
  5. Step 5: Solve for x
    x = 10,764,626,222.66/109,815.66
  6. Step 6: Final answer
    x = 98,024.51

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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.