Home / 76,773.29-115,110.36-32,388.12

Finding the Fourth Proportional to 76,773.29, 115,110.36 and 32,388.12

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Solution

The fourth proportional to 76,773.29, 115,110.36 and 32,388.12 is: 48,561.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,773.29 : 115,110.36 = 32,388.12 : x
  2. Step 2: Convert to fraction form
    76,773.29/115,110.36 = 32,388.12/x
  3. Step 3: Cross multiply
    76,773.29x = 115,110.36 × 32,388.12
  4. Step 4: Simplify right side
    76,773.29x = 3,728,208,152.92
  5. Step 5: Solve for x
    x = 3,728,208,152.92/76,773.29
  6. Step 6: Final answer
    x = 48,561.27

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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.