Home / 108,614.89-162,710.23-51,607.66

Finding the Fourth Proportional to 108,614.89, 162,710.23 and 51,607.66

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Solution

The fourth proportional to 108,614.89, 162,710.23 and 51,607.66 is: 77,310.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,614.89 : 162,710.23 = 51,607.66 : x
  2. Step 2: Convert to fraction form
    108,614.89/162,710.23 = 51,607.66/x
  3. Step 3: Cross multiply
    108,614.89x = 162,710.23 × 51,607.66
  4. Step 4: Simplify right side
    108,614.89x = 8,397,093,970.32
  5. Step 5: Solve for x
    x = 8,397,093,970.32/108,614.89
  6. Step 6: Final answer
    x = 77,310.71

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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.