Home / 96,990.69-133,831.73-54,541.02

Finding the Fourth Proportional to 96,990.69, 133,831.73 and 54,541.02

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Solution

The fourth proportional to 96,990.69, 133,831.73 and 54,541.02 is: 75,257.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,990.69 : 133,831.73 = 54,541.02 : x
  2. Step 2: Convert to fraction form
    96,990.69/133,831.73 = 54,541.02/x
  3. Step 3: Cross multiply
    96,990.69x = 133,831.73 × 54,541.02
  4. Step 4: Simplify right side
    96,990.69x = 7,299,319,062.56
  5. Step 5: Solve for x
    x = 7,299,319,062.56/96,990.69
  6. Step 6: Final answer
    x = 75,257.94

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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.