Home / 71,211.38-106,784.18-26,221.44

Finding the Fourth Proportional to 71,211.38, 106,784.18 and 26,221.44

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Solution

The fourth proportional to 71,211.38, 106,784.18 and 26,221.44 is: 39,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,211.38 : 106,784.18 = 26,221.44 : x
  2. Step 2: Convert to fraction form
    71,211.38/106,784.18 = 26,221.44/x
  3. Step 3: Cross multiply
    71,211.38x = 106,784.18 × 26,221.44
  4. Step 4: Simplify right side
    71,211.38x = 2,800,034,535.60
  5. Step 5: Solve for x
    x = 2,800,034,535.60/71,211.38
  6. Step 6: Final answer
    x = 39,320.04

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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.