Home / 80,977.57-111,748.31-44,679.35

Finding the Fourth Proportional to 80,977.57, 111,748.31 and 44,679.35

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Solution

The fourth proportional to 80,977.57, 111,748.31 and 44,679.35 is: 61,657.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,977.57 : 111,748.31 = 44,679.35 : x
  2. Step 2: Convert to fraction form
    80,977.57/111,748.31 = 44,679.35/x
  3. Step 3: Cross multiply
    80,977.57x = 111,748.31 × 44,679.35
  4. Step 4: Simplify right side
    80,977.57x = 4,992,842,182.98
  5. Step 5: Solve for x
    x = 4,992,842,182.98/80,977.57
  6. Step 6: Final answer
    x = 61,657.10

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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.