Home / 74,456.48-111,668.16-21,851.84

Finding the Fourth Proportional to 74,456.48, 111,668.16 and 21,851.84

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Solution

The fourth proportional to 74,456.48, 111,668.16 and 21,851.84 is: 32,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,456.48 : 111,668.16 = 21,851.84 : x
  2. Step 2: Convert to fraction form
    74,456.48/111,668.16 = 21,851.84/x
  3. Step 3: Cross multiply
    74,456.48x = 111,668.16 × 21,851.84
  4. Step 4: Simplify right side
    74,456.48x = 2,440,154,765.41
  5. Step 5: Solve for x
    x = 2,440,154,765.41/74,456.48
  6. Step 6: Final answer
    x = 32,772.90

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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.