Home / 108,111.20-149,193.16-60,375.87

Finding the Fourth Proportional to 108,111.20, 149,193.16 and 60,375.87

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Solution

The fourth proportional to 108,111.20, 149,193.16 and 60,375.87 is: 83,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,111.20 : 149,193.16 = 60,375.87 : x
  2. Step 2: Convert to fraction form
    108,111.20/149,193.16 = 60,375.87/x
  3. Step 3: Cross multiply
    108,111.20x = 149,193.16 × 60,375.87
  4. Step 4: Simplify right side
    108,111.20x = 9,007,666,682.11
  5. Step 5: Solve for x
    x = 9,007,666,682.11/108,111.20
  6. Step 6: Final answer
    x = 83,318.54

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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.