Home / 124,854.36-172,299.01-68,265.73

Finding the Fourth Proportional to 124,854.36, 172,299.01 and 68,265.73

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Solution

The fourth proportional to 124,854.36, 172,299.01 and 68,265.73 is: 94,206.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,854.36 : 172,299.01 = 68,265.73 : x
  2. Step 2: Convert to fraction form
    124,854.36/172,299.01 = 68,265.73/x
  3. Step 3: Cross multiply
    124,854.36x = 172,299.01 × 68,265.73
  4. Step 4: Simplify right side
    124,854.36x = 11,762,117,695.93
  5. Step 5: Solve for x
    x = 11,762,117,695.93/124,854.36
  6. Step 6: Final answer
    x = 94,206.71

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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.