Home / 215,378.51-323,067.67-57,602.86

Finding the Fourth Proportional to 215,378.51, 323,067.67 and 57,602.86

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Solution

The fourth proportional to 215,378.51, 323,067.67 and 57,602.86 is: 86,404.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,378.51 : 323,067.67 = 57,602.86 : x
  2. Step 2: Convert to fraction form
    215,378.51/323,067.67 = 57,602.86/x
  3. Step 3: Cross multiply
    215,378.51x = 323,067.67 × 57,602.86
  4. Step 4: Simplify right side
    215,378.51x = 18,609,620,813.86
  5. Step 5: Solve for x
    x = 18,609,620,813.86/215,378.51
  6. Step 6: Final answer
    x = 86,404.26

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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.