Home / 77,261.76-115,910.01-41,722.29

Finding the Fourth Proportional to 77,261.76, 115,910.01 and 41,722.29

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Solution

The fourth proportional to 77,261.76, 115,910.01 and 41,722.29 is: 62,592.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,261.76 : 115,910.01 = 41,722.29 : x
  2. Step 2: Convert to fraction form
    77,261.76/115,910.01 = 41,722.29/x
  3. Step 3: Cross multiply
    77,261.76x = 115,910.01 × 41,722.29
  4. Step 4: Simplify right side
    77,261.76x = 4,836,031,051.12
  5. Step 5: Solve for x
    x = 4,836,031,051.12/77,261.76
  6. Step 6: Final answer
    x = 62,592.82

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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.