Home / 74,198.78-102,396.93-42,367.10

Finding the Fourth Proportional to 74,198.78, 102,396.93 and 42,367.10

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Solution

The fourth proportional to 74,198.78, 102,396.93 and 42,367.10 is: 58,468.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,198.78 : 102,396.93 = 42,367.10 : x
  2. Step 2: Convert to fraction form
    74,198.78/102,396.93 = 42,367.10/x
  3. Step 3: Cross multiply
    74,198.78x = 102,396.93 × 42,367.10
  4. Step 4: Simplify right side
    74,198.78x = 4,338,260,973.00
  5. Step 5: Solve for x
    x = 4,338,260,973.00/74,198.78
  6. Step 6: Final answer
    x = 58,468.09

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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.