Home / 107,698.61-161,554.10-32,821.20

Finding the Fourth Proportional to 107,698.61, 161,554.10 and 32,821.20

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Solution

The fourth proportional to 107,698.61, 161,554.10 and 32,821.20 is: 49,233.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,698.61 : 161,554.10 = 32,821.20 : x
  2. Step 2: Convert to fraction form
    107,698.61/161,554.10 = 32,821.20/x
  3. Step 3: Cross multiply
    107,698.61x = 161,554.10 × 32,821.20
  4. Step 4: Simplify right side
    107,698.61x = 5,302,399,262.81
  5. Step 5: Solve for x
    x = 5,302,399,262.81/107,698.61
  6. Step 6: Final answer
    x = 49,233.68

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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.