Home / 110,694.12-152,777.40-65,369.16

Finding the Fourth Proportional to 110,694.12, 152,777.40 and 65,369.16

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Solution

The fourth proportional to 110,694.12, 152,777.40 and 65,369.16 is: 90,220.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,694.12 : 152,777.40 = 65,369.16 : x
  2. Step 2: Convert to fraction form
    110,694.12/152,777.40 = 65,369.16/x
  3. Step 3: Cross multiply
    110,694.12x = 152,777.40 × 65,369.16
  4. Step 4: Simplify right side
    110,694.12x = 9,986,930,304.98
  5. Step 5: Solve for x
    x = 9,986,930,304.98/110,694.12
  6. Step 6: Final answer
    x = 90,220.96

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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.