Home / 111,987.90-168,046.65-41,874.30

Finding the Fourth Proportional to 111,987.90, 168,046.65 and 41,874.30

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Solution

The fourth proportional to 111,987.90, 168,046.65 and 41,874.30 is: 62,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,987.90 : 168,046.65 = 41,874.30 : x
  2. Step 2: Convert to fraction form
    111,987.90/168,046.65 = 41,874.30/x
  3. Step 3: Cross multiply
    111,987.90x = 168,046.65 × 41,874.30
  4. Step 4: Simplify right side
    111,987.90x = 7,036,835,836.10
  5. Step 5: Solve for x
    x = 7,036,835,836.10/111,987.90
  6. Step 6: Final answer
    x = 62,835.68

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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.