Home / 109,684.75-164,528.04-26,578.75

Finding the Fourth Proportional to 109,684.75, 164,528.04 and 26,578.75

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Solution

The fourth proportional to 109,684.75, 164,528.04 and 26,578.75 is: 39,868.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,684.75 : 164,528.04 = 26,578.75 : x
  2. Step 2: Convert to fraction form
    109,684.75/164,528.04 = 26,578.75/x
  3. Step 3: Cross multiply
    109,684.75x = 164,528.04 × 26,578.75
  4. Step 4: Simplify right side
    109,684.75x = 4,372,949,643.15
  5. Step 5: Solve for x
    x = 4,372,949,643.15/109,684.75
  6. Step 6: Final answer
    x = 39,868.35

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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.