Home / 104,826.78-144,663.54-57,082.74

Finding the Fourth Proportional to 104,826.78, 144,663.54 and 57,082.74

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Solution

The fourth proportional to 104,826.78, 144,663.54 and 57,082.74 is: 78,775.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,826.78 : 144,663.54 = 57,082.74 : x
  2. Step 2: Convert to fraction form
    104,826.78/144,663.54 = 57,082.74/x
  3. Step 3: Cross multiply
    104,826.78x = 144,663.54 × 57,082.74
  4. Step 4: Simplify right side
    104,826.78x = 8,257,791,241.30
  5. Step 5: Solve for x
    x = 8,257,791,241.30/104,826.78
  6. Step 6: Final answer
    x = 78,775.59

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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.