Home / 63,613.31-87,789.11-35,319

Finding the Fourth Proportional to 63,613.31, 87,789.11 and 35,319

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Solution

The fourth proportional to 63,613.31, 87,789.11 and 35,319 is: 48,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,613.31 : 87,789.11 = 35,319 : x
  2. Step 2: Convert to fraction form
    63,613.31/87,789.11 = 35,319/x
  3. Step 3: Cross multiply
    63,613.31x = 87,789.11 × 35,319
  4. Step 4: Simplify right side
    63,613.31x = 3,100,623,576.09
  5. Step 5: Solve for x
    x = 3,100,623,576.09/63,613.31
  6. Step 6: Final answer
    x = 48,741.74

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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.