Home / 65,937.08-90,993.20-35,722.61

Finding the Fourth Proportional to 65,937.08, 90,993.20 and 35,722.61

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Solution

The fourth proportional to 65,937.08, 90,993.20 and 35,722.61 is: 49,297.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,937.08 : 90,993.20 = 35,722.61 : x
  2. Step 2: Convert to fraction form
    65,937.08/90,993.20 = 35,722.61/x
  3. Step 3: Cross multiply
    65,937.08x = 90,993.20 × 35,722.61
  4. Step 4: Simplify right side
    65,937.08x = 3,250,514,645.12
  5. Step 5: Solve for x
    x = 3,250,514,645.12/65,937.08
  6. Step 6: Final answer
    x = 49,297.22

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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.