Home / 65,764.23-90,765.99-63,577.23

Finding the Fourth Proportional to 65,764.23, 90,765.99 and 63,577.23

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Solution

The fourth proportional to 65,764.23, 90,765.99 and 63,577.23 is: 87,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,764.23 : 90,765.99 = 63,577.23 : x
  2. Step 2: Convert to fraction form
    65,764.23/90,765.99 = 63,577.23/x
  3. Step 3: Cross multiply
    65,764.23x = 90,765.99 × 63,577.23
  4. Step 4: Simplify right side
    65,764.23x = 5,770,650,222.41
  5. Step 5: Solve for x
    x = 5,770,650,222.41/65,764.23
  6. Step 6: Final answer
    x = 87,747.55

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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.