Home / 54,981.59-75,874.32-29,831.09

Finding the Fourth Proportional to 54,981.59, 75,874.32 and 29,831.09

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Solution

The fourth proportional to 54,981.59, 75,874.32 and 29,831.09 is: 41,166.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,981.59 : 75,874.32 = 29,831.09 : x
  2. Step 2: Convert to fraction form
    54,981.59/75,874.32 = 29,831.09/x
  3. Step 3: Cross multiply
    54,981.59x = 75,874.32 × 29,831.09
  4. Step 4: Simplify right side
    54,981.59x = 2,263,413,289.24
  5. Step 5: Solve for x
    x = 2,263,413,289.24/54,981.59
  6. Step 6: Final answer
    x = 41,166.75

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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.