Home / 56,473.01-77,942.09-31,330.61

Finding the Fourth Proportional to 56,473.01, 77,942.09 and 31,330.61

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Solution

The fourth proportional to 56,473.01, 77,942.09 and 31,330.61 is: 43,241.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,473.01 : 77,942.09 = 31,330.61 : x
  2. Step 2: Convert to fraction form
    56,473.01/77,942.09 = 31,330.61/x
  3. Step 3: Cross multiply
    56,473.01x = 77,942.09 × 31,330.61
  4. Step 4: Simplify right side
    56,473.01x = 2,441,973,224.37
  5. Step 5: Solve for x
    x = 2,441,973,224.37/56,473.01
  6. Step 6: Final answer
    x = 43,241.42

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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.