Home / 108,650.90-149,944.55-60,919.62

Finding the Fourth Proportional to 108,650.90, 149,944.55 and 60,919.62

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Solution

The fourth proportional to 108,650.90, 149,944.55 and 60,919.62 is: 84,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,650.90 : 149,944.55 = 60,919.62 : x
  2. Step 2: Convert to fraction form
    108,650.90/149,944.55 = 60,919.62/x
  3. Step 3: Cross multiply
    108,650.90x = 149,944.55 × 60,919.62
  4. Step 4: Simplify right side
    108,650.90x = 9,134,564,702.47
  5. Step 5: Solve for x
    x = 9,134,564,702.47/108,650.90
  6. Step 6: Final answer
    x = 84,072.61

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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.