Home / 71,089.74-106,558.83-53,505.18

Finding the Fourth Proportional to 71,089.74, 106,558.83 and 53,505.18

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Solution

The fourth proportional to 71,089.74, 106,558.83 and 53,505.18 is: 80,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,089.74 : 106,558.83 = 53,505.18 : x
  2. Step 2: Convert to fraction form
    71,089.74/106,558.83 = 53,505.18/x
  3. Step 3: Cross multiply
    71,089.74x = 106,558.83 × 53,505.18
  4. Step 4: Simplify right side
    71,089.74x = 5,701,449,379.74
  5. Step 5: Solve for x
    x = 5,701,449,379.74/71,089.74
  6. Step 6: Final answer
    x = 80,200.73

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1.5x scale

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.