Home / 104,782.46-144,324.32-80,537.06

Finding the Fourth Proportional to 104,782.46, 144,324.32 and 80,537.06

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Solution

The fourth proportional to 104,782.46, 144,324.32 and 80,537.06 is: 110,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,782.46 : 144,324.32 = 80,537.06 : x
  2. Step 2: Convert to fraction form
    104,782.46/144,324.32 = 80,537.06/x
  3. Step 3: Cross multiply
    104,782.46x = 144,324.32 × 80,537.06
  4. Step 4: Simplify right side
    104,782.46x = 11,623,455,294.99
  5. Step 5: Solve for x
    x = 11,623,455,294.99/104,782.46
  6. Step 6: Final answer
    x = 110,929.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.