Home / 57,058.43-78,714.09-36,921.81

Finding the Fourth Proportional to 57,058.43, 78,714.09 and 36,921.81

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Solution

The fourth proportional to 57,058.43, 78,714.09 and 36,921.81 is: 50,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,058.43 : 78,714.09 = 36,921.81 : x
  2. Step 2: Convert to fraction form
    57,058.43/78,714.09 = 36,921.81/x
  3. Step 3: Cross multiply
    57,058.43x = 78,714.09 × 36,921.81
  4. Step 4: Simplify right side
    57,058.43x = 2,906,266,675.30
  5. Step 5: Solve for x
    x = 2,906,266,675.30/57,058.43
  6. Step 6: Final answer
    x = 50,934.93

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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.