Home / 75,100.22-112,584.68-37,607.75

Finding the Fourth Proportional to 75,100.22, 112,584.68 and 37,607.75

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Solution

The fourth proportional to 75,100.22, 112,584.68 and 37,607.75 is: 56,378.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,100.22 : 112,584.68 = 37,607.75 : x
  2. Step 2: Convert to fraction form
    75,100.22/112,584.68 = 37,607.75/x
  3. Step 3: Cross multiply
    75,100.22x = 112,584.68 × 37,607.75
  4. Step 4: Simplify right side
    75,100.22x = 4,234,056,499.27
  5. Step 5: Solve for x
    x = 4,234,056,499.27/75,100.22
  6. Step 6: Final answer
    x = 56,378.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.