Home / 65,923.08-90,974.09-35,708.31

Finding the Fourth Proportional to 65,923.08, 90,974.09 and 35,708.31

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Solution

The fourth proportional to 65,923.08, 90,974.09 and 35,708.31 is: 49,277.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,923.08 : 90,974.09 = 35,708.31 : x
  2. Step 2: Convert to fraction form
    65,923.08/90,974.09 = 35,708.31/x
  3. Step 3: Cross multiply
    65,923.08x = 90,974.09 × 35,708.31
  4. Step 4: Simplify right side
    65,923.08x = 3,248,530,829.15
  5. Step 5: Solve for x
    x = 3,248,530,829.15/65,923.08
  6. Step 6: Final answer
    x = 49,277.59

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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.