Home / 124,815.94-172,248.73-68,227.31

Finding the Fourth Proportional to 124,815.94, 172,248.73 and 68,227.31

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Solution

The fourth proportional to 124,815.94, 172,248.73 and 68,227.31 is: 94,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,815.94 : 172,248.73 = 68,227.31 : x
  2. Step 2: Convert to fraction form
    124,815.94/172,248.73 = 68,227.31/x
  3. Step 3: Cross multiply
    124,815.94x = 172,248.73 × 68,227.31
  4. Step 4: Simplify right side
    124,815.94x = 11,752,067,758.87
  5. Step 5: Solve for x
    x = 11,752,067,758.87/124,815.94
  6. Step 6: Final answer
    x = 94,155.19

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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.