Home / 103,421.12-155,161.92-33,298.88

Finding the Fourth Proportional to 103,421.12, 155,161.92 and 33,298.88

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Solution

The fourth proportional to 103,421.12, 155,161.92 and 33,298.88 is: 49,958.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,421.12 : 155,161.92 = 33,298.88 : x
  2. Step 2: Convert to fraction form
    103,421.12/155,161.92 = 33,298.88/x
  3. Step 3: Cross multiply
    103,421.12x = 155,161.92 × 33,298.88
  4. Step 4: Simplify right side
    103,421.12x = 5,166,718,154.65
  5. Step 5: Solve for x
    x = 5,166,718,154.65/103,421.12
  6. Step 6: Final answer
    x = 49,958.06

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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.