Home / 124,094.97-171,310.55-76,389.21

Finding the Fourth Proportional to 124,094.97, 171,310.55 and 76,389.21

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Solution

The fourth proportional to 124,094.97, 171,310.55 and 76,389.21 is: 105,453.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,094.97 : 171,310.55 = 76,389.21 : x
  2. Step 2: Convert to fraction form
    124,094.97/171,310.55 = 76,389.21/x
  3. Step 3: Cross multiply
    124,094.97x = 171,310.55 × 76,389.21
  4. Step 4: Simplify right side
    124,094.97x = 13,086,277,197.22
  5. Step 5: Solve for x
    x = 13,086,277,197.22/124,094.97
  6. Step 6: Final answer
    x = 105,453.73

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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.