Home / 51,481.37-71,045.40-36,400.59

Finding the Fourth Proportional to 51,481.37, 71,045.40 and 36,400.59

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Solution

The fourth proportional to 51,481.37, 71,045.40 and 36,400.59 is: 50,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,481.37 : 71,045.40 = 36,400.59 : x
  2. Step 2: Convert to fraction form
    51,481.37/71,045.40 = 36,400.59/x
  3. Step 3: Cross multiply
    51,481.37x = 71,045.40 × 36,400.59
  4. Step 4: Simplify right side
    51,481.37x = 2,586,094,613.29
  5. Step 5: Solve for x
    x = 2,586,094,613.29/51,481.37
  6. Step 6: Final answer
    x = 50,233.60

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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.