Home / 74,866.09-112,357.82-52,229.56

Finding the Fourth Proportional to 74,866.09, 112,357.82 and 52,229.56

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Solution

The fourth proportional to 74,866.09, 112,357.82 and 52,229.56 is: 78,385.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,866.09 : 112,357.82 = 52,229.56 : x
  2. Step 2: Convert to fraction form
    74,866.09/112,357.82 = 52,229.56/x
  3. Step 3: Cross multiply
    74,866.09x = 112,357.82 × 52,229.56
  4. Step 4: Simplify right side
    74,866.09x = 5,868,399,350.84
  5. Step 5: Solve for x
    x = 5,868,399,350.84/74,866.09
  6. Step 6: Final answer
    x = 78,385.28

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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.