Home / 78,375.69-108,186.04-46,544.36

Finding the Fourth Proportional to 78,375.69, 108,186.04 and 46,544.36

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Solution

The fourth proportional to 78,375.69, 108,186.04 and 46,544.36 is: 64,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,375.69 : 108,186.04 = 46,544.36 : x
  2. Step 2: Convert to fraction form
    78,375.69/108,186.04 = 46,544.36/x
  3. Step 3: Cross multiply
    78,375.69x = 108,186.04 × 46,544.36
  4. Step 4: Simplify right side
    78,375.69x = 5,035,449,992.73
  5. Step 5: Solve for x
    x = 5,035,449,992.73/78,375.69
  6. Step 6: Final answer
    x = 64,247.60

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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.