Home / 57,252.89-79,009.42-31,411.26

Finding the Fourth Proportional to 57,252.89, 79,009.42 and 31,411.26

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Solution

The fourth proportional to 57,252.89, 79,009.42 and 31,411.26 is: 43,347.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,252.89 : 79,009.42 = 31,411.26 : x
  2. Step 2: Convert to fraction form
    57,252.89/79,009.42 = 31,411.26/x
  3. Step 3: Cross multiply
    57,252.89x = 79,009.42 × 31,411.26
  4. Step 4: Simplify right side
    57,252.89x = 2,481,785,559.01
  5. Step 5: Solve for x
    x = 2,481,785,559.01/57,252.89
  6. Step 6: Final answer
    x = 43,347.78

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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.