Home / 125,144.14-172,699.52-68,555.51

Finding the Fourth Proportional to 125,144.14, 172,699.52 and 68,555.51

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Solution

The fourth proportional to 125,144.14, 172,699.52 and 68,555.51 is: 94,606.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,144.14 : 172,699.52 = 68,555.51 : x
  2. Step 2: Convert to fraction form
    125,144.14/172,699.52 = 68,555.51/x
  3. Step 3: Cross multiply
    125,144.14x = 172,699.52 × 68,555.51
  4. Step 4: Simplify right side
    125,144.14x = 11,839,503,670.36
  5. Step 5: Solve for x
    x = 11,839,503,670.36/125,144.14
  6. Step 6: Final answer
    x = 94,606.94

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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.