Home / 78,328.80-108,067.44-50,051.04

Finding the Fourth Proportional to 78,328.80, 108,067.44 and 50,051.04

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Solution

The fourth proportional to 78,328.80, 108,067.44 and 50,051.04 is: 69,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,328.80 : 108,067.44 = 50,051.04 : x
  2. Step 2: Convert to fraction form
    78,328.80/108,067.44 = 50,051.04/x
  3. Step 3: Cross multiply
    78,328.80x = 108,067.44 × 50,051.04
  4. Step 4: Simplify right side
    78,328.80x = 5,408,887,762.14
  5. Step 5: Solve for x
    x = 5,408,887,762.14/78,328.80
  6. Step 6: Final answer
    x = 69,053.63

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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.