Home / 76,671.03-115,044.21-34,580.19

Finding the Fourth Proportional to 76,671.03, 115,044.21 and 34,580.19

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Solution

The fourth proportional to 76,671.03, 115,044.21 and 34,580.19 is: 51,887.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,671.03 : 115,044.21 = 34,580.19 : x
  2. Step 2: Convert to fraction form
    76,671.03/115,044.21 = 34,580.19/x
  3. Step 3: Cross multiply
    76,671.03x = 115,044.21 × 34,580.19
  4. Step 4: Simplify right side
    76,671.03x = 3,978,250,640.20
  5. Step 5: Solve for x
    x = 3,978,250,640.20/76,671.03
  6. Step 6: Final answer
    x = 51,887.27

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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.