Home / 102,170.03-153,055.78-57,662.15

Finding the Fourth Proportional to 102,170.03, 153,055.78 and 57,662.15

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Solution

The fourth proportional to 102,170.03, 153,055.78 and 57,662.15 is: 86,380.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,170.03 : 153,055.78 = 57,662.15 : x
  2. Step 2: Convert to fraction form
    102,170.03/153,055.78 = 57,662.15/x
  3. Step 3: Cross multiply
    102,170.03x = 153,055.78 × 57,662.15
  4. Step 4: Simplify right side
    102,170.03x = 8,825,525,344.73
  5. Step 5: Solve for x
    x = 8,825,525,344.73/102,170.03
  6. Step 6: Final answer
    x = 86,380.76

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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.