Home / 54,982.20-75,875.76-29,831.68

Finding the Fourth Proportional to 54,982.20, 75,875.76 and 29,831.68

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Solution

The fourth proportional to 54,982.20, 75,875.76 and 29,831.68 is: 41,167.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,982.20 : 75,875.76 = 29,831.68 : x
  2. Step 2: Convert to fraction form
    54,982.20/75,875.76 = 29,831.68/x
  3. Step 3: Cross multiply
    54,982.20x = 75,875.76 × 29,831.68
  4. Step 4: Simplify right side
    54,982.20x = 2,263,501,392.08
  5. Step 5: Solve for x
    x = 2,263,501,392.08/54,982.20
  6. Step 6: Final answer
    x = 41,167.89

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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.