Home / 97,288.80-145,922.40-27,175.20

Finding the Fourth Proportional to 97,288.80, 145,922.40 and 27,175.20

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Solution

The fourth proportional to 97,288.80, 145,922.40 and 27,175.20 is: 40,759.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,288.80 : 145,922.40 = 27,175.20 : x
  2. Step 2: Convert to fraction form
    97,288.80/145,922.40 = 27,175.20/x
  3. Step 3: Cross multiply
    97,288.80x = 145,922.40 × 27,175.20
  4. Step 4: Simplify right side
    97,288.80x = 3,965,470,404.48
  5. Step 5: Solve for x
    x = 3,965,470,404.48/97,288.80
  6. Step 6: Final answer
    x = 40,759.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.