Home / 74,195.84-102,388.03-42,358.52

Finding the Fourth Proportional to 74,195.84, 102,388.03 and 42,358.52

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Solution

The fourth proportional to 74,195.84, 102,388.03 and 42,358.52 is: 58,453.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,195.84 : 102,388.03 = 42,358.52 : x
  2. Step 2: Convert to fraction form
    74,195.84/102,388.03 = 42,358.52/x
  3. Step 3: Cross multiply
    74,195.84x = 102,388.03 × 42,358.52
  4. Step 4: Simplify right side
    74,195.84x = 4,337,004,692.78
  5. Step 5: Solve for x
    x = 4,337,004,692.78/74,195.84
  6. Step 6: Final answer
    x = 58,453.48

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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.