Home / 106,578.24-147,077.16-58,831.62

Finding the Fourth Proportional to 106,578.24, 147,077.16 and 58,831.62

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Solution

The fourth proportional to 106,578.24, 147,077.16 and 58,831.62 is: 81,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,578.24 : 147,077.16 = 58,831.62 : x
  2. Step 2: Convert to fraction form
    106,578.24/147,077.16 = 58,831.62/x
  3. Step 3: Cross multiply
    106,578.24x = 147,077.16 × 58,831.62
  4. Step 4: Simplify right side
    106,578.24x = 8,652,787,587.80
  5. Step 5: Solve for x
    x = 8,652,787,587.80/106,578.24
  6. Step 6: Final answer
    x = 81,187.19

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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.