Home / 80,557.48-111,153.18-44,742.52

Finding the Fourth Proportional to 80,557.48, 111,153.18 and 44,742.52

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Solution

The fourth proportional to 80,557.48, 111,153.18 and 44,742.52 is: 61,735.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,557.48 : 111,153.18 = 44,742.52 : x
  2. Step 2: Convert to fraction form
    80,557.48/111,153.18 = 44,742.52/x
  3. Step 3: Cross multiply
    80,557.48x = 111,153.18 × 44,742.52
  4. Step 4: Simplify right side
    80,557.48x = 4,973,273,379.21
  5. Step 5: Solve for x
    x = 4,973,273,379.21/80,557.48
  6. Step 6: Final answer
    x = 61,735.71

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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.