Home / 125,186.64-172,759.68-68,601.12

Finding the Fourth Proportional to 125,186.64, 172,759.68 and 68,601.12

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Solution

The fourth proportional to 125,186.64, 172,759.68 and 68,601.12 is: 94,670.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,186.64 : 172,759.68 = 68,601.12 : x
  2. Step 2: Convert to fraction form
    125,186.64/172,759.68 = 68,601.12/x
  3. Step 3: Cross multiply
    125,186.64x = 172,759.68 × 68,601.12
  4. Step 4: Simplify right side
    125,186.64x = 11,851,507,538.84
  5. Step 5: Solve for x
    x = 11,851,507,538.84/125,186.64
  6. Step 6: Final answer
    x = 94,670.71

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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.