Home / 75,190.06-103,755.39-43,352.81

Finding the Fourth Proportional to 75,190.06, 103,755.39 and 43,352.81

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Solution

The fourth proportional to 75,190.06, 103,755.39 and 43,352.81 is: 59,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,190.06 : 103,755.39 = 43,352.81 : x
  2. Step 2: Convert to fraction form
    75,190.06/103,755.39 = 43,352.81/x
  3. Step 3: Cross multiply
    75,190.06x = 103,755.39 × 43,352.81
  4. Step 4: Simplify right side
    75,190.06x = 4,498,087,709.15
  5. Step 5: Solve for x
    x = 4,498,087,709.15/75,190.06
  6. Step 6: Final answer
    x = 59,822.90

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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.