Home / 65,785.18-90,759.92-37,474.46

Finding the Fourth Proportional to 65,785.18, 90,759.92 and 37,474.46

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Solution

The fourth proportional to 65,785.18, 90,759.92 and 37,474.46 is: 51,701.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,785.18 : 90,759.92 = 37,474.46 : x
  2. Step 2: Convert to fraction form
    65,785.18/90,759.92 = 37,474.46/x
  3. Step 3: Cross multiply
    65,785.18x = 90,759.92 × 37,474.46
  4. Step 4: Simplify right side
    65,785.18x = 3,401,178,991.64
  5. Step 5: Solve for x
    x = 3,401,178,991.64/65,785.18
  6. Step 6: Final answer
    x = 51,701.29

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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.