Home / 104,667.44-144,442.13-56,921.85

Finding the Fourth Proportional to 104,667.44, 144,442.13 and 56,921.85

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Solution

The fourth proportional to 104,667.44, 144,442.13 and 56,921.85 is: 78,552.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,667.44 : 144,442.13 = 56,921.85 : x
  2. Step 2: Convert to fraction form
    104,667.44/144,442.13 = 56,921.85/x
  3. Step 3: Cross multiply
    104,667.44x = 144,442.13 × 56,921.85
  4. Step 4: Simplify right side
    104,667.44x = 8,221,912,972.93
  5. Step 5: Solve for x
    x = 8,221,912,972.93/104,667.44
  6. Step 6: Final answer
    x = 78,552.73

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1.5x scale

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.