Home / 104,418.72-144,097.91-56,672.06

Finding the Fourth Proportional to 104,418.72, 144,097.91 and 56,672.06

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Solution

The fourth proportional to 104,418.72, 144,097.91 and 56,672.06 is: 78,207.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,418.72 : 144,097.91 = 56,672.06 : x
  2. Step 2: Convert to fraction form
    104,418.72/144,097.91 = 56,672.06/x
  3. Step 3: Cross multiply
    104,418.72x = 144,097.91 × 56,672.06
  4. Step 4: Simplify right side
    104,418.72x = 8,166,324,769.46
  5. Step 5: Solve for x
    x = 8,166,324,769.46/104,418.72
  6. Step 6: Final answer
    x = 78,207.48

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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.