Home / 61,676.09-85,115.07-37,798.16

Finding the Fourth Proportional to 61,676.09, 85,115.07 and 37,798.16

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Solution

The fourth proportional to 61,676.09, 85,115.07 and 37,798.16 is: 52,162.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,676.09 : 85,115.07 = 37,798.16 : x
  2. Step 2: Convert to fraction form
    61,676.09/85,115.07 = 37,798.16/x
  3. Step 3: Cross multiply
    61,676.09x = 85,115.07 × 37,798.16
  4. Step 4: Simplify right side
    61,676.09x = 3,217,192,608.70
  5. Step 5: Solve for x
    x = 3,217,192,608.70/61,676.09
  6. Step 6: Final answer
    x = 52,162.72

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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.