Home / 52,471.33-78,730.25-27,505.42

Finding the Fourth Proportional to 52,471.33, 78,730.25 and 27,505.42

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Solution

The fourth proportional to 52,471.33, 78,730.25 and 27,505.42 is: 41,270.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,471.33 : 78,730.25 = 27,505.42 : x
  2. Step 2: Convert to fraction form
    52,471.33/78,730.25 = 27,505.42/x
  3. Step 3: Cross multiply
    52,471.33x = 78,730.25 × 27,505.42
  4. Step 4: Simplify right side
    52,471.33x = 2,165,508,268.07
  5. Step 5: Solve for x
    x = 2,165,508,268.07/52,471.33
  6. Step 6: Final answer
    x = 41,270.32

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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.