Home / 64,974.16-89,664.42-36,680.08

Finding the Fourth Proportional to 64,974.16, 89,664.42 and 36,680.08

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Solution

The fourth proportional to 64,974.16, 89,664.42 and 36,680.08 is: 50,618.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,974.16 : 89,664.42 = 36,680.08 : x
  2. Step 2: Convert to fraction form
    64,974.16/89,664.42 = 36,680.08/x
  3. Step 3: Cross multiply
    64,974.16x = 89,664.42 × 36,680.08
  4. Step 4: Simplify right side
    64,974.16x = 3,288,898,098.75
  5. Step 5: Solve for x
    x = 3,288,898,098.75/64,974.16
  6. Step 6: Final answer
    x = 50,618.56

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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.