Home / 106,091.84-146,405.68-58,345.76

Finding the Fourth Proportional to 106,091.84, 146,405.68 and 58,345.76

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Solution

The fourth proportional to 106,091.84, 146,405.68 and 58,345.76 is: 80,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,091.84 : 146,405.68 = 58,345.76 : x
  2. Step 2: Convert to fraction form
    106,091.84/146,405.68 = 58,345.76/x
  3. Step 3: Cross multiply
    106,091.84x = 146,405.68 × 58,345.76
  4. Step 4: Simplify right side
    106,091.84x = 8,542,150,667.92
  5. Step 5: Solve for x
    x = 8,542,150,667.92/106,091.84
  6. Step 6: Final answer
    x = 80,516.57

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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.