Home / 57,259.35-79,018.38-31,767.39

Finding the Fourth Proportional to 57,259.35, 79,018.38 and 31,767.39

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Solution

The fourth proportional to 57,259.35, 79,018.38 and 31,767.39 is: 43,839.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,259.35 : 79,018.38 = 31,767.39 : x
  2. Step 2: Convert to fraction form
    57,259.35/79,018.38 = 31,767.39/x
  3. Step 3: Cross multiply
    57,259.35x = 79,018.38 × 31,767.39
  4. Step 4: Simplify right side
    57,259.35x = 2,510,207,694.63
  5. Step 5: Solve for x
    x = 2,510,207,694.63/57,259.35
  6. Step 6: Final answer
    x = 43,839.26

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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.