Home / 106,056.78-146,361.18-58,311.36

Finding the Fourth Proportional to 106,056.78, 146,361.18 and 58,311.36

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Solution

The fourth proportional to 106,056.78, 146,361.18 and 58,311.36 is: 80,471.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,056.78 : 146,361.18 = 58,311.36 : x
  2. Step 2: Convert to fraction form
    106,056.78/146,361.18 = 58,311.36/x
  3. Step 3: Cross multiply
    106,056.78x = 146,361.18 × 58,311.36
  4. Step 4: Simplify right side
    106,056.78x = 8,534,519,457.00
  5. Step 5: Solve for x
    x = 8,534,519,457.00/106,056.78
  6. Step 6: Final answer
    x = 80,471.23

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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.