Home / 89,770.28-134,609.53-29,777.10

Finding the Fourth Proportional to 89,770.28, 134,609.53 and 29,777.10

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Solution

The fourth proportional to 89,770.28, 134,609.53 and 29,777.10 is: 44,650.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,770.28 : 134,609.53 = 29,777.10 : x
  2. Step 2: Convert to fraction form
    89,770.28/134,609.53 = 29,777.10/x
  3. Step 3: Cross multiply
    89,770.28x = 134,609.53 × 29,777.10
  4. Step 4: Simplify right side
    89,770.28x = 4,008,281,290.96
  5. Step 5: Solve for x
    x = 4,008,281,290.96/89,770.28
  6. Step 6: Final answer
    x = 44,650.43

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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.