Home / 108,610.28-149,888.40-60,879.04

Finding the Fourth Proportional to 108,610.28, 149,888.40 and 60,879.04

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Solution

The fourth proportional to 108,610.28, 149,888.40 and 60,879.04 is: 84,016.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,610.28 : 149,888.40 = 60,879.04 : x
  2. Step 2: Convert to fraction form
    108,610.28/149,888.40 = 60,879.04/x
  3. Step 3: Cross multiply
    108,610.28x = 149,888.40 × 60,879.04
  4. Step 4: Simplify right side
    108,610.28x = 9,125,061,899.14
  5. Step 5: Solve for x
    x = 9,125,061,899.14/108,610.28
  6. Step 6: Final answer
    x = 84,016.56

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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.