Home / 81,649.24-122,436.92-29,060.12

Finding the Fourth Proportional to 81,649.24, 122,436.92 and 29,060.12

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Solution

The fourth proportional to 81,649.24, 122,436.92 and 29,060.12 is: 43,577.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,649.24 : 122,436.92 = 29,060.12 : x
  2. Step 2: Convert to fraction form
    81,649.24/122,436.92 = 29,060.12/x
  3. Step 3: Cross multiply
    81,649.24x = 122,436.92 × 29,060.12
  4. Step 4: Simplify right side
    81,649.24x = 3,558,031,587.63
  5. Step 5: Solve for x
    x = 3,558,031,587.63/81,649.24
  6. Step 6: Final answer
    x = 43,577.03

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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.