Home / 106,540.10-147,021.04-58,792.83

Finding the Fourth Proportional to 106,540.10, 147,021.04 and 58,792.83

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Solution

The fourth proportional to 106,540.10, 147,021.04 and 58,792.83 is: 81,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,540.10 : 147,021.04 = 58,792.83 : x
  2. Step 2: Convert to fraction form
    106,540.10/147,021.04 = 58,792.83/x
  3. Step 3: Cross multiply
    106,540.10x = 147,021.04 × 58,792.83
  4. Step 4: Simplify right side
    106,540.10x = 8,643,783,011.14
  5. Step 5: Solve for x
    x = 8,643,783,011.14/106,540.10
  6. Step 6: Final answer
    x = 81,131.73

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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.