Home / 74,363.37-111,528.64-21,776.95

Finding the Fourth Proportional to 74,363.37, 111,528.64 and 21,776.95

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Solution

The fourth proportional to 74,363.37, 111,528.64 and 21,776.95 is: 32,660.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,363.37 : 111,528.64 = 21,776.95 : x
  2. Step 2: Convert to fraction form
    74,363.37/111,528.64 = 21,776.95/x
  3. Step 3: Cross multiply
    74,363.37x = 111,528.64 × 21,776.95
  4. Step 4: Simplify right side
    74,363.37x = 2,428,753,616.85
  5. Step 5: Solve for x
    x = 2,428,753,616.85/74,363.37
  6. Step 6: Final answer
    x = 32,660.62

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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.