Home / 124,716.94-172,113.16-68,131.96

Finding the Fourth Proportional to 124,716.94, 172,113.16 and 68,131.96

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Solution

The fourth proportional to 124,716.94, 172,113.16 and 68,131.96 is: 94,024.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,716.94 : 172,113.16 = 68,131.96 : x
  2. Step 2: Convert to fraction form
    124,716.94/172,113.16 = 68,131.96/x
  3. Step 3: Cross multiply
    124,716.94x = 172,113.16 × 68,131.96
  4. Step 4: Simplify right side
    124,716.94x = 11,726,406,932.59
  5. Step 5: Solve for x
    x = 11,726,406,932.59/124,716.94
  6. Step 6: Final answer
    x = 94,024.17

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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.