Home / 96,831.44-133,318.47-81,686.46

Finding the Fourth Proportional to 96,831.44, 133,318.47 and 81,686.46

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Solution

The fourth proportional to 96,831.44, 133,318.47 and 81,686.46 is: 112,466.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,831.44 : 133,318.47 = 81,686.46 : x
  2. Step 2: Convert to fraction form
    96,831.44/133,318.47 = 81,686.46/x
  3. Step 3: Cross multiply
    96,831.44x = 133,318.47 × 81,686.46
  4. Step 4: Simplify right side
    96,831.44x = 10,890,313,866.92
  5. Step 5: Solve for x
    x = 10,890,313,866.92/96,831.44
  6. Step 6: Final answer
    x = 112,466.71

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1.5x scale

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.