Home / 108,022.66-149,097.96-65,616.73

Finding the Fourth Proportional to 108,022.66, 149,097.96 and 65,616.73

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Solution

The fourth proportional to 108,022.66, 149,097.96 and 65,616.73 is: 90,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,022.66 : 149,097.96 = 65,616.73 : x
  2. Step 2: Convert to fraction form
    108,022.66/149,097.96 = 65,616.73/x
  3. Step 3: Cross multiply
    108,022.66x = 149,097.96 × 65,616.73
  4. Step 4: Simplify right side
    108,022.66x = 9,783,320,212.13
  5. Step 5: Solve for x
    x = 9,783,320,212.13/108,022.66
  6. Step 6: Final answer
    x = 90,567.30

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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.