Home / 75,198.60-103,746.18-48,355.91

Finding the Fourth Proportional to 75,198.60, 103,746.18 and 48,355.91

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Solution

The fourth proportional to 75,198.60, 103,746.18 and 48,355.91 is: 66,713.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,198.60 : 103,746.18 = 48,355.91 : x
  2. Step 2: Convert to fraction form
    75,198.60/103,746.18 = 48,355.91/x
  3. Step 3: Cross multiply
    75,198.60x = 103,746.18 × 48,355.91
  4. Step 4: Simplify right side
    75,198.60x = 5,016,740,942.92
  5. Step 5: Solve for x
    x = 5,016,740,942.92/75,198.60
  6. Step 6: Final answer
    x = 66,713.22

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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.