Home / 109,872.24-164,813.15-53,759.60

Finding the Fourth Proportional to 109,872.24, 164,813.15 and 53,759.60

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Solution

The fourth proportional to 109,872.24, 164,813.15 and 53,759.60 is: 80,641.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,872.24 : 164,813.15 = 53,759.60 : x
  2. Step 2: Convert to fraction form
    109,872.24/164,813.15 = 53,759.60/x
  3. Step 3: Cross multiply
    109,872.24x = 164,813.15 × 53,759.60
  4. Step 4: Simplify right side
    109,872.24x = 8,860,288,329.07
  5. Step 5: Solve for x
    x = 8,860,288,329.07/109,872.24
  6. Step 6: Final answer
    x = 80,641.74

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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.