Home / 64,982.07-97,416.14-31,231.20

Finding the Fourth Proportional to 64,982.07, 97,416.14 and 31,231.20

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Solution

The fourth proportional to 64,982.07, 97,416.14 and 31,231.20 is: 46,819.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,982.07 : 97,416.14 = 31,231.20 : x
  2. Step 2: Convert to fraction form
    64,982.07/97,416.14 = 31,231.20/x
  3. Step 3: Cross multiply
    64,982.07x = 97,416.14 × 31,231.20
  4. Step 4: Simplify right side
    64,982.07x = 3,042,422,795.41
  5. Step 5: Solve for x
    x = 3,042,422,795.41/64,982.07
  6. Step 6: Final answer
    x = 46,819.42

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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.