Home / 96,719.76-133,474.05-54,288.30

Finding the Fourth Proportional to 96,719.76, 133,474.05 and 54,288.30

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Solution

The fourth proportional to 96,719.76, 133,474.05 and 54,288.30 is: 74,918.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,719.76 : 133,474.05 = 54,288.30 : x
  2. Step 2: Convert to fraction form
    96,719.76/133,474.05 = 54,288.30/x
  3. Step 3: Cross multiply
    96,719.76x = 133,474.05 × 54,288.30
  4. Step 4: Simplify right side
    96,719.76x = 7,246,079,268.62
  5. Step 5: Solve for x
    x = 7,246,079,268.62/96,719.76
  6. Step 6: Final answer
    x = 74,918.29

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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.