Home / 101,617.25-140,229.99-56,295.09

Finding the Fourth Proportional to 101,617.25, 140,229.99 and 56,295.09

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Solution

The fourth proportional to 101,617.25, 140,229.99 and 56,295.09 is: 77,686.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,617.25 : 140,229.99 = 56,295.09 : x
  2. Step 2: Convert to fraction form
    101,617.25/140,229.99 = 56,295.09/x
  3. Step 3: Cross multiply
    101,617.25x = 140,229.99 × 56,295.09
  4. Step 4: Simplify right side
    101,617.25x = 7,894,259,907.75
  5. Step 5: Solve for x
    x = 7,894,259,907.75/101,617.25
  6. Step 6: Final answer
    x = 77,686.22

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1.5x scale

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.