Home / 52,441.11-78,672.65-16,905.09

Finding the Fourth Proportional to 52,441.11, 78,672.65 and 16,905.09

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Solution

The fourth proportional to 52,441.11, 78,672.65 and 16,905.09 is: 25,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,441.11 : 78,672.65 = 16,905.09 : x
  2. Step 2: Convert to fraction form
    52,441.11/78,672.65 = 16,905.09/x
  3. Step 3: Cross multiply
    52,441.11x = 78,672.65 × 16,905.09
  4. Step 4: Simplify right side
    52,441.11x = 1,329,968,144.26
  5. Step 5: Solve for x
    x = 1,329,968,144.26/52,441.11
  6. Step 6: Final answer
    x = 25,361.17

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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.