Home / 64,759.26-89,369.31-36,080.85

Finding the Fourth Proportional to 64,759.26, 89,369.31 and 36,080.85

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Solution

The fourth proportional to 64,759.26, 89,369.31 and 36,080.85 is: 49,792.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,759.26 : 89,369.31 = 36,080.85 : x
  2. Step 2: Convert to fraction form
    64,759.26/89,369.31 = 36,080.85/x
  3. Step 3: Cross multiply
    64,759.26x = 89,369.31 × 36,080.85
  4. Step 4: Simplify right side
    64,759.26x = 3,224,521,139.15
  5. Step 5: Solve for x
    x = 3,224,521,139.15/64,759.26
  6. Step 6: Final answer
    x = 49,792.43

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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.