Home / 56,577.11-78,067.75-32,699.18

Finding the Fourth Proportional to 56,577.11, 78,067.75 and 32,699.18

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Solution

The fourth proportional to 56,577.11, 78,067.75 and 32,699.18 is: 45,119.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,577.11 : 78,067.75 = 32,699.18 : x
  2. Step 2: Convert to fraction form
    56,577.11/78,067.75 = 32,699.18/x
  3. Step 3: Cross multiply
    56,577.11x = 78,067.75 × 32,699.18
  4. Step 4: Simplify right side
    56,577.11x = 2,552,751,409.45
  5. Step 5: Solve for x
    x = 2,552,751,409.45/56,577.11
  6. Step 6: Final answer
    x = 45,119.86

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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.