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Finding the Fourth Proportional to 65,589.84, 90,513.99 and 37,297.26

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Solution

The fourth proportional to 65,589.84, 90,513.99 and 37,297.26 is: 51,470.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,589.84 : 90,513.99 = 37,297.26 : x
  2. Step 2: Convert to fraction form
    65,589.84/90,513.99 = 37,297.26/x
  3. Step 3: Cross multiply
    65,589.84x = 90,513.99 × 37,297.26
  4. Step 4: Simplify right side
    65,589.84x = 3,375,923,818.67
  5. Step 5: Solve for x
    x = 3,375,923,818.67/65,589.84
  6. Step 6: Final answer
    x = 51,470.22

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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.