Home / 111,821.39-167,768.54-52,663.04

Finding the Fourth Proportional to 111,821.39, 167,768.54 and 52,663.04

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Solution

The fourth proportional to 111,821.39, 167,768.54 and 52,663.04 is: 79,011.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,821.39 : 167,768.54 = 52,663.04 : x
  2. Step 2: Convert to fraction form
    111,821.39/167,768.54 = 52,663.04/x
  3. Step 3: Cross multiply
    111,821.39x = 167,768.54 × 52,663.04
  4. Step 4: Simplify right side
    111,821.39x = 8,835,201,883.84
  5. Step 5: Solve for x
    x = 8,835,201,883.84/111,821.39
  6. Step 6: Final answer
    x = 79,011.73

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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.