Home / 74,127.56-111,081.38-38,960.60

Finding the Fourth Proportional to 74,127.56, 111,081.38 and 38,960.60

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Solution

The fourth proportional to 74,127.56, 111,081.38 and 38,960.60 is: 58,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,127.56 : 111,081.38 = 38,960.60 : x
  2. Step 2: Convert to fraction form
    74,127.56/111,081.38 = 38,960.60/x
  3. Step 3: Cross multiply
    74,127.56x = 111,081.38 × 38,960.60
  4. Step 4: Simplify right side
    74,127.56x = 4,327,796,463.42
  5. Step 5: Solve for x
    x = 4,327,796,463.42/74,127.56
  6. Step 6: Final answer
    x = 58,383.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.