Home / 51,165.35-70,613.38-28,508.03

Finding the Fourth Proportional to 51,165.35, 70,613.38 and 28,508.03

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Solution

The fourth proportional to 51,165.35, 70,613.38 and 28,508.03 is: 39,343.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,165.35 : 70,613.38 = 28,508.03 : x
  2. Step 2: Convert to fraction form
    51,165.35/70,613.38 = 28,508.03/x
  3. Step 3: Cross multiply
    51,165.35x = 70,613.38 × 28,508.03
  4. Step 4: Simplify right side
    51,165.35x = 2,013,048,195.90
  5. Step 5: Solve for x
    x = 2,013,048,195.90/51,165.35
  6. Step 6: Final answer
    x = 39,343.97

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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.