Home / 124,786.53-172,223.24-71,076.53

Finding the Fourth Proportional to 124,786.53, 172,223.24 and 71,076.53

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Solution

The fourth proportional to 124,786.53, 172,223.24 and 71,076.53 is: 98,095.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,786.53 : 172,223.24 = 71,076.53 : x
  2. Step 2: Convert to fraction form
    124,786.53/172,223.24 = 71,076.53/x
  3. Step 3: Cross multiply
    124,786.53x = 172,223.24 × 71,076.53
  4. Step 4: Simplify right side
    124,786.53x = 12,241,030,359.73
  5. Step 5: Solve for x
    x = 12,241,030,359.73/124,786.53
  6. Step 6: Final answer
    x = 98,095.77

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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.