Home / 34,115.08-51,169.02-9,157.72

Finding the Fourth Proportional to 34,115.08, 51,169.02 and 9,157.72

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Solution

The fourth proportional to 34,115.08, 51,169.02 and 9,157.72 is: 13,735.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,115.08 : 51,169.02 = 9,157.72 : x
  2. Step 2: Convert to fraction form
    34,115.08/51,169.02 = 9,157.72/x
  3. Step 3: Cross multiply
    34,115.08x = 51,169.02 × 9,157.72
  4. Step 4: Simplify right side
    34,115.08x = 468,591,557.83
  5. Step 5: Solve for x
    x = 468,591,557.83/34,115.08
  6. Step 6: Final answer
    x = 13,735.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.