Home / 65,116.97-89,832.92-38,247.37

Finding the Fourth Proportional to 65,116.97, 89,832.92 and 38,247.37

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Solution

The fourth proportional to 65,116.97, 89,832.92 and 38,247.37 is: 52,764.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,116.97 : 89,832.92 = 38,247.37 : x
  2. Step 2: Convert to fraction form
    65,116.97/89,832.92 = 38,247.37/x
  3. Step 3: Cross multiply
    65,116.97x = 89,832.92 × 38,247.37
  4. Step 4: Simplify right side
    65,116.97x = 3,435,873,018.91
  5. Step 5: Solve for x
    x = 3,435,873,018.91/65,116.97
  6. Step 6: Final answer
    x = 52,764.63

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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.