Home / 71,084.20-106,712.70-36,005.80

Finding the Fourth Proportional to 71,084.20, 106,712.70 and 36,005.80

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Solution

The fourth proportional to 71,084.20, 106,712.70 and 36,005.80 is: 54,052.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,084.20 : 106,712.70 = 36,005.80 : x
  2. Step 2: Convert to fraction form
    71,084.20/106,712.70 = 36,005.80/x
  3. Step 3: Cross multiply
    71,084.20x = 106,712.70 × 36,005.80
  4. Step 4: Simplify right side
    71,084.20x = 3,842,276,133.66
  5. Step 5: Solve for x
    x = 3,842,276,133.66/71,084.20
  6. Step 6: Final answer
    x = 54,052.46

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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.