Home / 82,611.55-123,847.66-35,829.19

Finding the Fourth Proportional to 82,611.55, 123,847.66 and 35,829.19

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Solution

The fourth proportional to 82,611.55, 123,847.66 and 35,829.19 is: 53,713.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,611.55 : 123,847.66 = 35,829.19 : x
  2. Step 2: Convert to fraction form
    82,611.55/123,847.66 = 35,829.19/x
  3. Step 3: Cross multiply
    82,611.55x = 123,847.66 × 35,829.19
  4. Step 4: Simplify right side
    82,611.55x = 4,437,361,341.20
  5. Step 5: Solve for x
    x = 4,437,361,341.20/82,611.55
  6. Step 6: Final answer
    x = 53,713.57

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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.