Home / 104,738.35-157,087.25-40,696.38

Finding the Fourth Proportional to 104,738.35, 157,087.25 and 40,696.38

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Solution

The fourth proportional to 104,738.35, 157,087.25 and 40,696.38 is: 61,036.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,738.35 : 157,087.25 = 40,696.38 : x
  2. Step 2: Convert to fraction form
    104,738.35/157,087.25 = 40,696.38/x
  3. Step 3: Cross multiply
    104,738.35x = 157,087.25 × 40,696.38
  4. Step 4: Simplify right side
    104,738.35x = 6,392,882,215.67
  5. Step 5: Solve for x
    x = 6,392,882,215.67/104,738.35
  6. Step 6: Final answer
    x = 61,036.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.