Home / 106,399.13-146,831.81-58,654.19

Finding the Fourth Proportional to 106,399.13, 146,831.81 and 58,654.19

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Solution

The fourth proportional to 106,399.13, 146,831.81 and 58,654.19 is: 80,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,399.13 : 146,831.81 = 58,654.19 : x
  2. Step 2: Convert to fraction form
    106,399.13/146,831.81 = 58,654.19/x
  3. Step 3: Cross multiply
    106,399.13x = 146,831.81 × 58,654.19
  4. Step 4: Simplify right side
    106,399.13x = 8,612,299,854.35
  5. Step 5: Solve for x
    x = 8,612,299,854.35/106,399.13
  6. Step 6: Final answer
    x = 80,943.33

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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.