Home / 82,759.26-124,157.52-30,168.93

Finding the Fourth Proportional to 82,759.26, 124,157.52 and 30,168.93

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Solution

The fourth proportional to 82,759.26, 124,157.52 and 30,168.93 is: 45,260.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,759.26 : 124,157.52 = 30,168.93 : x
  2. Step 2: Convert to fraction form
    82,759.26/124,157.52 = 30,168.93/x
  3. Step 3: Cross multiply
    82,759.26x = 124,157.52 × 30,168.93
  4. Step 4: Simplify right side
    82,759.26x = 3,745,699,529.85
  5. Step 5: Solve for x
    x = 3,745,699,529.85/82,759.26
  6. Step 6: Final answer
    x = 45,260.19

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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.