Home / 80,608.84-111,248.34-47,077.96

Finding the Fourth Proportional to 80,608.84, 111,248.34 and 47,077.96

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Solution

The fourth proportional to 80,608.84, 111,248.34 and 47,077.96 is: 64,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,608.84 : 111,248.34 = 47,077.96 : x
  2. Step 2: Convert to fraction form
    80,608.84/111,248.34 = 47,077.96/x
  3. Step 3: Cross multiply
    80,608.84x = 111,248.34 × 47,077.96
  4. Step 4: Simplify right side
    80,608.84x = 5,237,344,900.59
  5. Step 5: Solve for x
    x = 5,237,344,900.59/80,608.84
  6. Step 6: Final answer
    x = 64,972.34

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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.