Home / 56,135.14-84,145.74-47,942.09

Finding the Fourth Proportional to 56,135.14, 84,145.74 and 47,942.09

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Solution

The fourth proportional to 56,135.14, 84,145.74 and 47,942.09 is: 71,864.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,135.14 : 84,145.74 = 47,942.09 : x
  2. Step 2: Convert to fraction form
    56,135.14/84,145.74 = 47,942.09/x
  3. Step 3: Cross multiply
    56,135.14x = 84,145.74 × 47,942.09
  4. Step 4: Simplify right side
    56,135.14x = 4,034,122,355.23
  5. Step 5: Solve for x
    x = 4,034,122,355.23/56,135.14
  6. Step 6: Final answer
    x = 71,864.48

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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.