Home / 78,306.24-108,062.74-46,481.52

Finding the Fourth Proportional to 78,306.24, 108,062.74 and 46,481.52

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Solution

The fourth proportional to 78,306.24, 108,062.74 and 46,481.52 is: 64,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,306.24 : 108,062.74 = 46,481.52 : x
  2. Step 2: Convert to fraction form
    78,306.24/108,062.74 = 46,481.52/x
  3. Step 3: Cross multiply
    78,306.24x = 108,062.74 × 46,481.52
  4. Step 4: Simplify right side
    78,306.24x = 5,022,920,410.56
  5. Step 5: Solve for x
    x = 5,022,920,410.56/78,306.24
  6. Step 6: Final answer
    x = 64,144.57

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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.