Home / 107,127.09-147,831.12-58,727.97

Finding the Fourth Proportional to 107,127.09, 147,831.12 and 58,727.97

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Solution

The fourth proportional to 107,127.09, 147,831.12 and 58,727.97 is: 81,042.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,127.09 : 147,831.12 = 58,727.97 : x
  2. Step 2: Convert to fraction form
    107,127.09/147,831.12 = 58,727.97/x
  3. Step 3: Cross multiply
    107,127.09x = 147,831.12 × 58,727.97
  4. Step 4: Simplify right side
    107,127.09x = 8,681,821,580.43
  5. Step 5: Solve for x
    x = 8,681,821,580.43/107,127.09
  6. Step 6: Final answer
    x = 81,042.26

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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.