Home / 103,863.02-143,326.89-58,550.20

Finding the Fourth Proportional to 103,863.02, 143,326.89 and 58,550.20

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Solution

The fourth proportional to 103,863.02, 143,326.89 and 58,550.20 is: 80,796.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,863.02 : 143,326.89 = 58,550.20 : x
  2. Step 2: Convert to fraction form
    103,863.02/143,326.89 = 58,550.20/x
  3. Step 3: Cross multiply
    103,863.02x = 143,326.89 × 58,550.20
  4. Step 4: Simplify right side
    103,863.02x = 8,391,817,716.56
  5. Step 5: Solve for x
    x = 8,391,817,716.56/103,863.02
  6. Step 6: Final answer
    x = 80,796.98

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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.