Home / 84,058.56-115,996.05-50,105.39

Finding the Fourth Proportional to 84,058.56, 115,996.05 and 50,105.39

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Solution

The fourth proportional to 84,058.56, 115,996.05 and 50,105.39 is: 69,142.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,058.56 : 115,996.05 = 50,105.39 : x
  2. Step 2: Convert to fraction form
    84,058.56/115,996.05 = 50,105.39/x
  3. Step 3: Cross multiply
    84,058.56x = 115,996.05 × 50,105.39
  4. Step 4: Simplify right side
    84,058.56x = 5,812,026,743.73
  5. Step 5: Solve for x
    x = 5,812,026,743.73/84,058.56
  6. Step 6: Final answer
    x = 69,142.59

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1.5x scale

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.