Home / 109,511.80-164,273.10-57,023.80

Finding the Fourth Proportional to 109,511.80, 164,273.10 and 57,023.80

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Solution

The fourth proportional to 109,511.80, 164,273.10 and 57,023.80 is: 85,538.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,511.80 : 164,273.10 = 57,023.80 : x
  2. Step 2: Convert to fraction form
    109,511.80/164,273.10 = 57,023.80/x
  3. Step 3: Cross multiply
    109,511.80x = 164,273.10 × 57,023.80
  4. Step 4: Simplify right side
    109,511.80x = 9,367,476,399.78
  5. Step 5: Solve for x
    x = 9,367,476,399.78/109,511.80
  6. Step 6: Final answer
    x = 85,538.51

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1.5x scale

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.