Home / 65,789.30-90,790.19-37,110.33

Finding the Fourth Proportional to 65,789.30, 90,790.19 and 37,110.33

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Solution

The fourth proportional to 65,789.30, 90,790.19 and 37,110.33 is: 51,212.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,789.30 : 90,790.19 = 37,110.33 : x
  2. Step 2: Convert to fraction form
    65,789.30/90,790.19 = 37,110.33/x
  3. Step 3: Cross multiply
    65,789.30x = 90,790.19 × 37,110.33
  4. Step 4: Simplify right side
    65,789.30x = 3,369,253,911.66
  5. Step 5: Solve for x
    x = 3,369,253,911.66/65,789.30
  6. Step 6: Final answer
    x = 51,212.79

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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.