Home / 76,830.35-115,241.36-29,468.14

Finding the Fourth Proportional to 76,830.35, 115,241.36 and 29,468.14

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Solution

The fourth proportional to 76,830.35, 115,241.36 and 29,468.14 is: 44,200.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,830.35 : 115,241.36 = 29,468.14 : x
  2. Step 2: Convert to fraction form
    76,830.35/115,241.36 = 29,468.14/x
  3. Step 3: Cross multiply
    76,830.35x = 115,241.36 × 29,468.14
  4. Step 4: Simplify right side
    76,830.35x = 3,395,948,094.83
  5. Step 5: Solve for x
    x = 3,395,948,094.83/76,830.35
  6. Step 6: Final answer
    x = 44,200.61

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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.