Home / 65,739.60-90,721.62-37,444.68

Finding the Fourth Proportional to 65,739.60, 90,721.62 and 37,444.68

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Solution

The fourth proportional to 65,739.60, 90,721.62 and 37,444.68 is: 51,674.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,739.60 : 90,721.62 = 37,444.68 : x
  2. Step 2: Convert to fraction form
    65,739.60/90,721.62 = 37,444.68/x
  3. Step 3: Cross multiply
    65,739.60x = 90,721.62 × 37,444.68
  4. Step 4: Simplify right side
    65,739.60x = 3,397,042,029.98
  5. Step 5: Solve for x
    x = 3,397,042,029.98/65,739.60
  6. Step 6: Final answer
    x = 51,674.21

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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.