Home / 61,731.72-85,183.38-34,877.16

Finding the Fourth Proportional to 61,731.72, 85,183.38 and 34,877.16

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Solution

The fourth proportional to 61,731.72, 85,183.38 and 34,877.16 is: 48,126.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,731.72 : 85,183.38 = 34,877.16 : x
  2. Step 2: Convert to fraction form
    61,731.72/85,183.38 = 34,877.16/x
  3. Step 3: Cross multiply
    61,731.72x = 85,183.38 × 34,877.16
  4. Step 4: Simplify right side
    61,731.72x = 2,970,954,373.60
  5. Step 5: Solve for x
    x = 2,970,954,373.60/61,731.72
  6. Step 6: Final answer
    x = 48,126.87

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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.