Home / 108,099.27-149,170.77-60,355.65

Finding the Fourth Proportional to 108,099.27, 149,170.77 and 60,355.65

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Solution

The fourth proportional to 108,099.27, 149,170.77 and 60,355.65 is: 83,287.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,099.27 : 149,170.77 = 60,355.65 : x
  2. Step 2: Convert to fraction form
    108,099.27/149,170.77 = 60,355.65/x
  3. Step 3: Cross multiply
    108,099.27x = 149,170.77 × 60,355.65
  4. Step 4: Simplify right side
    108,099.27x = 9,003,298,784.35
  5. Step 5: Solve for x
    x = 9,003,298,784.35/108,099.27
  6. Step 6: Final answer
    x = 83,287.32

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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.