Home / 78,231.12-117,355.85-24,904.42

Finding the Fourth Proportional to 78,231.12, 117,355.85 and 24,904.42

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Solution

The fourth proportional to 78,231.12, 117,355.85 and 24,904.42 is: 37,359.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,231.12 : 117,355.85 = 24,904.42 : x
  2. Step 2: Convert to fraction form
    78,231.12/117,355.85 = 24,904.42/x
  3. Step 3: Cross multiply
    78,231.12x = 117,355.85 × 24,904.42
  4. Step 4: Simplify right side
    78,231.12x = 2,922,678,666.56
  5. Step 5: Solve for x
    x = 2,922,678,666.56/78,231.12
  6. Step 6: Final answer
    x = 37,359.54

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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.