Home / 70,108.20-105,179.04-23,361.48

Finding the Fourth Proportional to 70,108.20, 105,179.04 and 23,361.48

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Solution

The fourth proportional to 70,108.20, 105,179.04 and 23,361.48 is: 35,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,108.20 : 105,179.04 = 23,361.48 : x
  2. Step 2: Convert to fraction form
    70,108.20/105,179.04 = 23,361.48/x
  3. Step 3: Cross multiply
    70,108.20x = 105,179.04 × 23,361.48
  4. Step 4: Simplify right side
    70,108.20x = 2,457,138,039.38
  5. Step 5: Solve for x
    x = 2,457,138,039.38/70,108.20
  6. Step 6: Final answer
    x = 35,047.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.