Home / 80,733.33-111,452.36-62,543.58

Finding the Fourth Proportional to 80,733.33, 111,452.36 and 62,543.58

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Solution

The fourth proportional to 80,733.33, 111,452.36 and 62,543.58 is: 86,341.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,733.33 : 111,452.36 = 62,543.58 : x
  2. Step 2: Convert to fraction form
    80,733.33/111,452.36 = 62,543.58/x
  3. Step 3: Cross multiply
    80,733.33x = 111,452.36 × 62,543.58
  4. Step 4: Simplify right side
    80,733.33x = 6,970,629,281.13
  5. Step 5: Solve for x
    x = 6,970,629,281.13/80,733.33
  6. Step 6: Final answer
    x = 86,341.41

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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.