Home / 106,578.48-147,078.33-58,831.86

Finding the Fourth Proportional to 106,578.48, 147,078.33 and 58,831.86

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Solution

The fourth proportional to 106,578.48, 147,078.33 and 58,831.86 is: 81,187.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,578.48 : 147,078.33 = 58,831.86 : x
  2. Step 2: Convert to fraction form
    106,578.48/147,078.33 = 58,831.86/x
  3. Step 3: Cross multiply
    106,578.48x = 147,078.33 × 58,831.86
  4. Step 4: Simplify right side
    106,578.48x = 8,652,891,719.59
  5. Step 5: Solve for x
    x = 8,652,891,719.59/106,578.48
  6. Step 6: Final answer
    x = 81,187.98

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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.