Home / 107,962.65-161,929.80-33,090.30

Finding the Fourth Proportional to 107,962.65, 161,929.80 and 33,090.30

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Solution

The fourth proportional to 107,962.65, 161,929.80 and 33,090.30 is: 49,631.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,962.65 : 161,929.80 = 33,090.30 : x
  2. Step 2: Convert to fraction form
    107,962.65/161,929.80 = 33,090.30/x
  3. Step 3: Cross multiply
    107,962.65x = 161,929.80 × 33,090.30
  4. Step 4: Simplify right side
    107,962.65x = 5,358,305,660.94
  5. Step 5: Solve for x
    x = 5,358,305,660.94/107,962.65
  6. Step 6: Final answer
    x = 49,631.11

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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.