Home / 52,741.40-79,112.43-21,576.65

Finding the Fourth Proportional to 52,741.40, 79,112.43 and 21,576.65

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Solution

The fourth proportional to 52,741.40, 79,112.43 and 21,576.65 is: 32,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,741.40 : 79,112.43 = 21,576.65 : x
  2. Step 2: Convert to fraction form
    52,741.40/79,112.43 = 21,576.65/x
  3. Step 3: Cross multiply
    52,741.40x = 79,112.43 × 21,576.65
  4. Step 4: Simplify right side
    52,741.40x = 1,706,980,817.20
  5. Step 5: Solve for x
    x = 1,706,980,817.20/52,741.40
  6. Step 6: Final answer
    x = 32,365.11

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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.