Home / 106,609.18-147,122.96-58,865.54

Finding the Fourth Proportional to 106,609.18, 147,122.96 and 58,865.54

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Solution

The fourth proportional to 106,609.18, 147,122.96 and 58,865.54 is: 81,235.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,609.18 : 147,122.96 = 58,865.54 : x
  2. Step 2: Convert to fraction form
    106,609.18/147,122.96 = 58,865.54/x
  3. Step 3: Cross multiply
    106,609.18x = 147,122.96 × 58,865.54
  4. Step 4: Simplify right side
    106,609.18x = 8,660,472,192.47
  5. Step 5: Solve for x
    x = 8,660,472,192.47/106,609.18
  6. Step 6: Final answer
    x = 81,235.71

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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.