Home / 78,514.44-108,314.19-46,665.24

Finding the Fourth Proportional to 78,514.44, 108,314.19 and 46,665.24

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Solution

The fourth proportional to 78,514.44, 108,314.19 and 46,665.24 is: 64,376.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,514.44 : 108,314.19 = 46,665.24 : x
  2. Step 2: Convert to fraction form
    78,514.44/108,314.19 = 46,665.24/x
  3. Step 3: Cross multiply
    78,514.44x = 108,314.19 × 46,665.24
  4. Step 4: Simplify right side
    78,514.44x = 5,054,507,671.76
  5. Step 5: Solve for x
    x = 5,054,507,671.76/78,514.44
  6. Step 6: Final answer
    x = 64,376.79

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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.