Home / 105,853.05-146,078.87-58,110.75

Finding the Fourth Proportional to 105,853.05, 146,078.87 and 58,110.75

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Solution

The fourth proportional to 105,853.05, 146,078.87 and 58,110.75 is: 80,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,853.05 : 146,078.87 = 58,110.75 : x
  2. Step 2: Convert to fraction form
    105,853.05/146,078.87 = 58,110.75/x
  3. Step 3: Cross multiply
    105,853.05x = 146,078.87 × 58,110.75
  4. Step 4: Simplify right side
    105,853.05x = 8,488,752,404.30
  5. Step 5: Solve for x
    x = 8,488,752,404.30/105,853.05
  6. Step 6: Final answer
    x = 80,193.74

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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.