Home / 65,664.38-90,619.11-37,369.46

Finding the Fourth Proportional to 65,664.38, 90,619.11 and 37,369.46

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Solution

The fourth proportional to 65,664.38, 90,619.11 and 37,369.46 is: 51,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,664.38 : 90,619.11 = 37,369.46 : x
  2. Step 2: Convert to fraction form
    65,664.38/90,619.11 = 37,369.46/x
  3. Step 3: Cross multiply
    65,664.38x = 90,619.11 × 37,369.46
  4. Step 4: Simplify right side
    65,664.38x = 3,386,387,206.38
  5. Step 5: Solve for x
    x = 3,386,387,206.38/65,664.38
  6. Step 6: Final answer
    x = 51,571.14

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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.