Home / 106,364.05-146,781.64-58,617.45

Finding the Fourth Proportional to 106,364.05, 146,781.64 and 58,617.45

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Solution

The fourth proportional to 106,364.05, 146,781.64 and 58,617.45 is: 80,891.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,364.05 : 146,781.64 = 58,617.45 : x
  2. Step 2: Convert to fraction form
    106,364.05/146,781.64 = 58,617.45/x
  3. Step 3: Cross multiply
    106,364.05x = 146,781.64 × 58,617.45
  4. Step 4: Simplify right side
    106,364.05x = 8,603,965,443.62
  5. Step 5: Solve for x
    x = 8,603,965,443.62/106,364.05
  6. Step 6: Final answer
    x = 80,891.67

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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.