Home / 76,122.48-114,193.44-29,388.72

Finding the Fourth Proportional to 76,122.48, 114,193.44 and 29,388.72

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Solution

The fourth proportional to 76,122.48, 114,193.44 and 29,388.72 is: 44,086.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,122.48 : 114,193.44 = 29,388.72 : x
  2. Step 2: Convert to fraction form
    76,122.48/114,193.44 = 29,388.72/x
  3. Step 3: Cross multiply
    76,122.48x = 114,193.44 × 29,388.72
  4. Step 4: Simplify right side
    76,122.48x = 3,355,999,034.00
  5. Step 5: Solve for x
    x = 3,355,999,034.00/76,122.48
  6. Step 6: Final answer
    x = 44,086.83

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1.5x scale

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.