Home / 108,099.66-149,168.99-62,770.24

Finding the Fourth Proportional to 108,099.66, 149,168.99 and 62,770.24

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Solution

The fourth proportional to 108,099.66, 149,168.99 and 62,770.24 is: 86,617.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,099.66 : 149,168.99 = 62,770.24 : x
  2. Step 2: Convert to fraction form
    108,099.66/149,168.99 = 62,770.24/x
  3. Step 3: Cross multiply
    108,099.66x = 149,168.99 × 62,770.24
  4. Step 4: Simplify right side
    108,099.66x = 9,363,373,646.24
  5. Step 5: Solve for x
    x = 9,363,373,646.24/108,099.66
  6. Step 6: Final answer
    x = 86,617.97

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1.5x scale

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.