Home / 75,110.76-103,651.96-41,118.84

Finding the Fourth Proportional to 75,110.76, 103,651.96 and 41,118.84

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Solution

The fourth proportional to 75,110.76, 103,651.96 and 41,118.84 is: 56,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,110.76 : 103,651.96 = 41,118.84 : x
  2. Step 2: Convert to fraction form
    75,110.76/103,651.96 = 41,118.84/x
  3. Step 3: Cross multiply
    75,110.76x = 103,651.96 × 41,118.84
  4. Step 4: Simplify right side
    75,110.76x = 4,262,048,358.93
  5. Step 5: Solve for x
    x = 4,262,048,358.93/75,110.76
  6. Step 6: Final answer
    x = 56,743.51

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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.