Home / 112,791.12-169,186.44-46,231.32

Finding the Fourth Proportional to 112,791.12, 169,186.44 and 46,231.32

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Solution

The fourth proportional to 112,791.12, 169,186.44 and 46,231.32 is: 69,346.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,791.12 : 169,186.44 = 46,231.32 : x
  2. Step 2: Convert to fraction form
    112,791.12/169,186.44 = 46,231.32/x
  3. Step 3: Cross multiply
    112,791.12x = 169,186.44 × 46,231.32
  4. Step 4: Simplify right side
    112,791.12x = 7,821,712,447.30
  5. Step 5: Solve for x
    x = 7,821,712,447.30/112,791.12
  6. Step 6: Final answer
    x = 69,346.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.