Home / 124,760.75-172,174.09-68,175.77

Finding the Fourth Proportional to 124,760.75, 172,174.09 and 68,175.77

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Solution

The fourth proportional to 124,760.75, 172,174.09 and 68,175.77 is: 94,084.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,760.75 : 172,174.09 = 68,175.77 : x
  2. Step 2: Convert to fraction form
    124,760.75/172,174.09 = 68,175.77/x
  3. Step 3: Cross multiply
    124,760.75x = 172,174.09 × 68,175.77
  4. Step 4: Simplify right side
    124,760.75x = 11,738,101,159.80
  5. Step 5: Solve for x
    x = 11,738,101,159.80/124,760.75
  6. Step 6: Final answer
    x = 94,084.89

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1.5x scale

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.