Home / 125,324.75-172,956.36-68,736.13

Finding the Fourth Proportional to 125,324.75, 172,956.36 and 68,736.13

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Solution

The fourth proportional to 125,324.75, 172,956.36 and 68,736.13 is: 94,860.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,324.75 : 172,956.36 = 68,736.13 : x
  2. Step 2: Convert to fraction form
    125,324.75/172,956.36 = 68,736.13/x
  3. Step 3: Cross multiply
    125,324.75x = 172,956.36 × 68,736.13
  4. Step 4: Simplify right side
    125,324.75x = 11,888,350,845.29
  5. Step 5: Solve for x
    x = 11,888,350,845.29/125,324.75
  6. Step 6: Final answer
    x = 94,860.36

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1.5x scale

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.