Home / 96,998.45-133,856.42-54,557.01

Finding the Fourth Proportional to 96,998.45, 133,856.42 and 54,557.01

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Solution

The fourth proportional to 96,998.45, 133,856.42 and 54,557.01 is: 75,287.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,998.45 : 133,856.42 = 54,557.01 : x
  2. Step 2: Convert to fraction form
    96,998.45/133,856.42 = 54,557.01/x
  3. Step 3: Cross multiply
    96,998.45x = 133,856.42 × 54,557.01
  4. Step 4: Simplify right side
    96,998.45x = 7,302,805,771.72
  5. Step 5: Solve for x
    x = 7,302,805,771.72/96,998.45
  6. Step 6: Final answer
    x = 75,287.86

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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.