Home / 51,772.51-71,444.41-29,112.49

Finding the Fourth Proportional to 51,772.51, 71,444.41 and 29,112.49

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Solution

The fourth proportional to 51,772.51, 71,444.41 and 29,112.49 is: 40,174.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,772.51 : 71,444.41 = 29,112.49 : x
  2. Step 2: Convert to fraction form
    51,772.51/71,444.41 = 29,112.49/x
  3. Step 3: Cross multiply
    51,772.51x = 71,444.41 × 29,112.49
  4. Step 4: Simplify right side
    51,772.51x = 2,079,924,671.68
  5. Step 5: Solve for x
    x = 2,079,924,671.68/51,772.51
  6. Step 6: Final answer
    x = 40,174.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.