Home / 108,766.12-150,126.60-71,039.56

Finding the Fourth Proportional to 108,766.12, 150,126.60 and 71,039.56

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Solution

The fourth proportional to 108,766.12, 150,126.60 and 71,039.56 is: 98,053.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,766.12 : 150,126.60 = 71,039.56 : x
  2. Step 2: Convert to fraction form
    108,766.12/150,126.60 = 71,039.56/x
  3. Step 3: Cross multiply
    108,766.12x = 150,126.60 × 71,039.56
  4. Step 4: Simplify right side
    108,766.12x = 10,664,927,608.30
  5. Step 5: Solve for x
    x = 10,664,927,608.30/108,766.12
  6. Step 6: Final answer
    x = 98,053.77

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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.