Home / 75,650.21-113,545.43-38,236.35

Finding the Fourth Proportional to 75,650.21, 113,545.43 and 38,236.35

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Solution

The fourth proportional to 75,650.21, 113,545.43 and 38,236.35 is: 57,389.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,650.21 : 113,545.43 = 38,236.35 : x
  2. Step 2: Convert to fraction form
    75,650.21/113,545.43 = 38,236.35/x
  3. Step 3: Cross multiply
    75,650.21x = 113,545.43 × 38,236.35
  4. Step 4: Simplify right side
    75,650.21x = 4,341,562,611.20
  5. Step 5: Solve for x
    x = 4,341,562,611.20/75,650.21
  6. Step 6: Final answer
    x = 57,389.96

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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.