Home / 51,186.43-70,605.16-35,243.20

Finding the Fourth Proportional to 51,186.43, 70,605.16 and 35,243.20

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Solution

The fourth proportional to 51,186.43, 70,605.16 and 35,243.20 is: 48,613.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,186.43 : 70,605.16 = 35,243.20 : x
  2. Step 2: Convert to fraction form
    51,186.43/70,605.16 = 35,243.20/x
  3. Step 3: Cross multiply
    51,186.43x = 70,605.16 × 35,243.20
  4. Step 4: Simplify right side
    51,186.43x = 2,488,351,774.91
  5. Step 5: Solve for x
    x = 2,488,351,774.91/51,186.43
  6. Step 6: Final answer
    x = 48,613.51

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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.