Home / 64,986.53-89,679.66-35,517.10

Finding the Fourth Proportional to 64,986.53, 89,679.66 and 35,517.10

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Solution

The fourth proportional to 64,986.53, 89,679.66 and 35,517.10 is: 49,012.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,986.53 : 89,679.66 = 35,517.10 : x
  2. Step 2: Convert to fraction form
    64,986.53/89,679.66 = 35,517.10/x
  3. Step 3: Cross multiply
    64,986.53x = 89,679.66 × 35,517.10
  4. Step 4: Simplify right side
    64,986.53x = 3,185,161,262.95
  5. Step 5: Solve for x
    x = 3,185,161,262.95/64,986.53
  6. Step 6: Final answer
    x = 49,012.64

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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.