Home / 51,757.12-71,416.11-29,093.12

Finding the Fourth Proportional to 51,757.12, 71,416.11 and 29,093.12

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Solution

The fourth proportional to 51,757.12, 71,416.11 and 29,093.12 is: 40,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,757.12 : 71,416.11 = 29,093.12 : x
  2. Step 2: Convert to fraction form
    51,757.12/71,416.11 = 29,093.12/x
  3. Step 3: Cross multiply
    51,757.12x = 71,416.11 × 29,093.12
  4. Step 4: Simplify right side
    51,757.12x = 2,077,717,458.16
  5. Step 5: Solve for x
    x = 2,077,717,458.16/51,757.12
  6. Step 6: Final answer
    x = 40,143.61

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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.