Home / 111,874.23-167,654.61-55,661.04

Finding the Fourth Proportional to 111,874.23, 167,654.61 and 55,661.04

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Solution

The fourth proportional to 111,874.23, 167,654.61 and 55,661.04 is: 83,413.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,874.23 : 167,654.61 = 55,661.04 : x
  2. Step 2: Convert to fraction form
    111,874.23/167,654.61 = 55,661.04/x
  3. Step 3: Cross multiply
    111,874.23x = 167,654.61 × 55,661.04
  4. Step 4: Simplify right side
    111,874.23x = 9,331,829,953.39
  5. Step 5: Solve for x
    x = 9,331,829,953.39/111,874.23
  6. Step 6: Final answer
    x = 83,413.58

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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.