Home / 65,339.33-90,167.09-36,659.52

Finding the Fourth Proportional to 65,339.33, 90,167.09 and 36,659.52

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Solution

The fourth proportional to 65,339.33, 90,167.09 and 36,659.52 is: 50,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,339.33 : 90,167.09 = 36,659.52 : x
  2. Step 2: Convert to fraction form
    65,339.33/90,167.09 = 36,659.52/x
  3. Step 3: Cross multiply
    65,339.33x = 90,167.09 × 36,659.52
  4. Step 4: Simplify right side
    65,339.33x = 3,305,482,055.90
  5. Step 5: Solve for x
    x = 3,305,482,055.90/65,339.33
  6. Step 6: Final answer
    x = 50,589.47

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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.