Home / 108,773.12-150,109.48-61,029.96

Finding the Fourth Proportional to 108,773.12, 150,109.48 and 61,029.96

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Solution

The fourth proportional to 108,773.12, 150,109.48 and 61,029.96 is: 84,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,773.12 : 150,109.48 = 61,029.96 : x
  2. Step 2: Convert to fraction form
    108,773.12/150,109.48 = 61,029.96/x
  3. Step 3: Cross multiply
    108,773.12x = 150,109.48 × 61,029.96
  4. Step 4: Simplify right side
    108,773.12x = 9,161,175,560.02
  5. Step 5: Solve for x
    x = 9,161,175,560.02/108,773.12
  6. Step 6: Final answer
    x = 84,222.79

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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.