Home / 103,879.02-143,344.44-58,568.15

Finding the Fourth Proportional to 103,879.02, 143,344.44 and 58,568.15

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Solution

The fourth proportional to 103,879.02, 143,344.44 and 58,568.15 is: 80,819.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,879.02 : 143,344.44 = 58,568.15 : x
  2. Step 2: Convert to fraction form
    103,879.02/143,344.44 = 58,568.15/x
  3. Step 3: Cross multiply
    103,879.02x = 143,344.44 × 58,568.15
  4. Step 4: Simplify right side
    103,879.02x = 8,395,418,380.36
  5. Step 5: Solve for x
    x = 8,395,418,380.36/103,879.02
  6. Step 6: Final answer
    x = 80,819.19

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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.