Home / 124,744.07-172,146.52-68,155.85

Finding the Fourth Proportional to 124,744.07, 172,146.52 and 68,155.85

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Solution

The fourth proportional to 124,744.07, 172,146.52 and 68,155.85 is: 94,054.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,744.07 : 172,146.52 = 68,155.85 : x
  2. Step 2: Convert to fraction form
    124,744.07/172,146.52 = 68,155.85/x
  3. Step 3: Cross multiply
    124,744.07x = 172,146.52 × 68,155.85
  4. Step 4: Simplify right side
    124,744.07x = 11,732,792,395.14
  5. Step 5: Solve for x
    x = 11,732,792,395.14/124,744.07
  6. Step 6: Final answer
    x = 94,054.91

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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.