Home / 75,881.22-113,834.18-28,500

Finding the Fourth Proportional to 75,881.22, 113,834.18 and 28,500

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Solution

The fourth proportional to 75,881.22, 113,834.18 and 28,500 is: 42,754.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,881.22 : 113,834.18 = 28,500 : x
  2. Step 2: Convert to fraction form
    75,881.22/113,834.18 = 28,500/x
  3. Step 3: Cross multiply
    75,881.22x = 113,834.18 × 28,500
  4. Step 4: Simplify right side
    75,881.22x = 3,244,274,130
  5. Step 5: Solve for x
    x = 3,244,274,130/75,881.22
  6. Step 6: Final answer
    x = 42,754.64

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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.