Home / 68,093.23-93,942.80-42,239.79

Finding the Fourth Proportional to 68,093.23, 93,942.80 and 42,239.79

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Solution

The fourth proportional to 68,093.23, 93,942.80 and 42,239.79 is: 58,274.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,093.23 : 93,942.80 = 42,239.79 : x
  2. Step 2: Convert to fraction form
    68,093.23/93,942.80 = 42,239.79/x
  3. Step 3: Cross multiply
    68,093.23x = 93,942.80 × 42,239.79
  4. Step 4: Simplify right side
    68,093.23x = 3,968,124,144.01
  5. Step 5: Solve for x
    x = 3,968,124,144.01/68,093.23
  6. Step 6: Final answer
    x = 58,274.87

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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.