Home / 106,455.05-146,906.21-58,712.84

Finding the Fourth Proportional to 106,455.05, 146,906.21 and 58,712.84

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Solution

The fourth proportional to 106,455.05, 146,906.21 and 58,712.84 is: 81,022.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,455.05 : 146,906.21 = 58,712.84 : x
  2. Step 2: Convert to fraction form
    106,455.05/146,906.21 = 58,712.84/x
  3. Step 3: Cross multiply
    106,455.05x = 146,906.21 × 58,712.84
  4. Step 4: Simplify right side
    106,455.05x = 8,625,279,774.64
  5. Step 5: Solve for x
    x = 8,625,279,774.64/106,455.05
  6. Step 6: Final answer
    x = 81,022.74

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1.5x scale

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.