Home / 103,617.97-142,991.63-58,296.04

Finding the Fourth Proportional to 103,617.97, 142,991.63 and 58,296.04

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Solution

The fourth proportional to 103,617.97, 142,991.63 and 58,296.04 is: 80,447.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,617.97 : 142,991.63 = 58,296.04 : x
  2. Step 2: Convert to fraction form
    103,617.97/142,991.63 = 58,296.04/x
  3. Step 3: Cross multiply
    103,617.97x = 142,991.63 × 58,296.04
  4. Step 4: Simplify right side
    103,617.97x = 8,335,845,351.80
  5. Step 5: Solve for x
    x = 8,335,845,351.80/103,617.97
  6. Step 6: Final answer
    x = 80,447.88

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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.