Home / 78,891.78-108,884.44-46,625.02

Finding the Fourth Proportional to 78,891.78, 108,884.44 and 46,625.02

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Solution

The fourth proportional to 78,891.78, 108,884.44 and 46,625.02 is: 64,350.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,891.78 : 108,884.44 = 46,625.02 : x
  2. Step 2: Convert to fraction form
    78,891.78/108,884.44 = 46,625.02/x
  3. Step 3: Cross multiply
    78,891.78x = 108,884.44 × 46,625.02
  4. Step 4: Simplify right side
    78,891.78x = 5,076,739,192.69
  5. Step 5: Solve for x
    x = 5,076,739,192.69/78,891.78
  6. Step 6: Final answer
    x = 64,350.67

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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.