Home / 65,205.26-89,983.31-36,920.06

Finding the Fourth Proportional to 65,205.26, 89,983.31 and 36,920.06

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Solution

The fourth proportional to 65,205.26, 89,983.31 and 36,920.06 is: 50,949.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,205.26 : 89,983.31 = 36,920.06 : x
  2. Step 2: Convert to fraction form
    65,205.26/89,983.31 = 36,920.06/x
  3. Step 3: Cross multiply
    65,205.26x = 89,983.31 × 36,920.06
  4. Step 4: Simplify right side
    65,205.26x = 3,322,189,204.20
  5. Step 5: Solve for x
    x = 3,322,189,204.20/65,205.26
  6. Step 6: Final answer
    x = 50,949.71

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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.