Home / 66,524.49-99,715.32-33,178.68

Finding the Fourth Proportional to 66,524.49, 99,715.32 and 33,178.68

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Solution

The fourth proportional to 66,524.49, 99,715.32 and 33,178.68 is: 49,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,524.49 : 99,715.32 = 33,178.68 : x
  2. Step 2: Convert to fraction form
    66,524.49/99,715.32 = 33,178.68/x
  3. Step 3: Cross multiply
    66,524.49x = 99,715.32 × 33,178.68
  4. Step 4: Simplify right side
    66,524.49x = 3,308,422,693.38
  5. Step 5: Solve for x
    x = 3,308,422,693.38/66,524.49
  6. Step 6: Final answer
    x = 49,732.40

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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.