Home / 87,523.18-120,776.67-51,704.62

Finding the Fourth Proportional to 87,523.18, 120,776.67 and 51,704.62

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Solution

The fourth proportional to 87,523.18, 120,776.67 and 51,704.62 is: 71,349.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,523.18 : 120,776.67 = 51,704.62 : x
  2. Step 2: Convert to fraction form
    87,523.18/120,776.67 = 51,704.62/x
  3. Step 3: Cross multiply
    87,523.18x = 120,776.67 × 51,704.62
  4. Step 4: Simplify right side
    87,523.18x = 6,244,711,827.22
  5. Step 5: Solve for x
    x = 6,244,711,827.22/87,523.18
  6. Step 6: Final answer
    x = 71,349.23

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1.5x scale

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.