Home / 51,575.58-71,167.92-31,425.14

Finding the Fourth Proportional to 51,575.58, 71,167.92 and 31,425.14

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Solution

The fourth proportional to 51,575.58, 71,167.92 and 31,425.14 is: 43,362.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,575.58 : 71,167.92 = 31,425.14 : x
  2. Step 2: Convert to fraction form
    51,575.58/71,167.92 = 31,425.14/x
  3. Step 3: Cross multiply
    51,575.58x = 71,167.92 × 31,425.14
  4. Step 4: Simplify right side
    51,575.58x = 2,236,461,849.51
  5. Step 5: Solve for x
    x = 2,236,461,849.51/51,575.58
  6. Step 6: Final answer
    x = 43,362.81

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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.