Home / 76,530.19-114,796.45-29,147.91

Finding the Fourth Proportional to 76,530.19, 114,796.45 and 29,147.91

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Solution

The fourth proportional to 76,530.19, 114,796.45 and 29,147.91 is: 43,722.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,530.19 : 114,796.45 = 29,147.91 : x
  2. Step 2: Convert to fraction form
    76,530.19/114,796.45 = 29,147.91/x
  3. Step 3: Cross multiply
    76,530.19x = 114,796.45 × 29,147.91
  4. Step 4: Simplify right side
    76,530.19x = 3,346,076,592.92
  5. Step 5: Solve for x
    x = 3,346,076,592.92/76,530.19
  6. Step 6: Final answer
    x = 43,722.31

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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.