Home / 51,723.16-71,375.93-31,613.69

Finding the Fourth Proportional to 51,723.16, 71,375.93 and 31,613.69

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Solution

The fourth proportional to 51,723.16, 71,375.93 and 31,613.69 is: 43,625.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,723.16 : 71,375.93 = 31,613.69 : x
  2. Step 2: Convert to fraction form
    51,723.16/71,375.93 = 31,613.69/x
  3. Step 3: Cross multiply
    51,723.16x = 71,375.93 × 31,613.69
  4. Step 4: Simplify right side
    51,723.16x = 2,256,456,841.23
  5. Step 5: Solve for x
    x = 2,256,456,841.23/51,723.16
  6. Step 6: Final answer
    x = 43,625.66

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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.