Home / 96,979.76-133,831.12-54,538.56

Finding the Fourth Proportional to 96,979.76, 133,831.12 and 54,538.56

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Solution

The fourth proportional to 96,979.76, 133,831.12 and 54,538.56 is: 75,262.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,979.76 : 133,831.12 = 54,538.56 : x
  2. Step 2: Convert to fraction form
    96,979.76/133,831.12 = 54,538.56/x
  3. Step 3: Cross multiply
    96,979.76x = 133,831.12 × 54,538.56
  4. Step 4: Simplify right side
    96,979.76x = 7,298,956,567.99
  5. Step 5: Solve for x
    x = 7,298,956,567.99/96,979.76
  6. Step 6: Final answer
    x = 75,262.68

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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.