Home / 106,108.16-146,430.42-58,361.90

Finding the Fourth Proportional to 106,108.16, 146,430.42 and 58,361.90

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Solution

The fourth proportional to 106,108.16, 146,430.42 and 58,361.90 is: 80,540.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,108.16 : 146,430.42 = 58,361.90 : x
  2. Step 2: Convert to fraction form
    106,108.16/146,430.42 = 58,361.90/x
  3. Step 3: Cross multiply
    106,108.16x = 146,430.42 × 58,361.90
  4. Step 4: Simplify right side
    106,108.16x = 8,545,957,529.00
  5. Step 5: Solve for x
    x = 8,545,957,529.00/106,108.16
  6. Step 6: Final answer
    x = 80,540.06

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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.