Home / 106,609.05-147,122.78-58,865.42

Finding the Fourth Proportional to 106,609.05, 147,122.78 and 58,865.42

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Solution

The fourth proportional to 106,609.05, 147,122.78 and 58,865.42 is: 81,235.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,609.05 : 147,122.78 = 58,865.42 : x
  2. Step 2: Convert to fraction form
    106,609.05/147,122.78 = 58,865.42/x
  3. Step 3: Cross multiply
    106,609.05x = 147,122.78 × 58,865.42
  4. Step 4: Simplify right side
    106,609.05x = 8,660,443,647.82
  5. Step 5: Solve for x
    x = 8,660,443,647.82/106,609.05
  6. Step 6: Final answer
    x = 81,235.54

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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.