Home / 104,694.15-157,131.90-54,809.14

Finding the Fourth Proportional to 104,694.15, 157,131.90 and 54,809.14

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Solution

The fourth proportional to 104,694.15, 157,131.90 and 54,809.14 is: 82,261.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,694.15 : 157,131.90 = 54,809.14 : x
  2. Step 2: Convert to fraction form
    104,694.15/157,131.90 = 54,809.14/x
  3. Step 3: Cross multiply
    104,694.15x = 157,131.90 × 54,809.14
  4. Step 4: Simplify right side
    104,694.15x = 8,612,264,207.36
  5. Step 5: Solve for x
    x = 8,612,264,207.36/104,694.15
  6. Step 6: Final answer
    x = 82,261.18

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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.