Home / 75,327.15-103,951.18-41,336.21

Finding the Fourth Proportional to 75,327.15, 103,951.18 and 41,336.21

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Solution

The fourth proportional to 75,327.15, 103,951.18 and 41,336.21 is: 57,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,327.15 : 103,951.18 = 41,336.21 : x
  2. Step 2: Convert to fraction form
    75,327.15/103,951.18 = 41,336.21/x
  3. Step 3: Cross multiply
    75,327.15x = 103,951.18 × 41,336.21
  4. Step 4: Simplify right side
    75,327.15x = 4,296,948,117.78
  5. Step 5: Solve for x
    x = 4,296,948,117.78/75,327.15
  6. Step 6: Final answer
    x = 57,043.81

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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.