Home / 111,815.07-167,687.04-36,921.27

Finding the Fourth Proportional to 111,815.07, 167,687.04 and 36,921.27

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Solution

The fourth proportional to 111,815.07, 167,687.04 and 36,921.27 is: 55,370.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,815.07 : 167,687.04 = 36,921.27 : x
  2. Step 2: Convert to fraction form
    111,815.07/167,687.04 = 36,921.27/x
  3. Step 3: Cross multiply
    111,815.07x = 167,687.04 × 36,921.27
  4. Step 4: Simplify right side
    111,815.07x = 6,191,218,479.34
  5. Step 5: Solve for x
    x = 6,191,218,479.34/111,815.07
  6. Step 6: Final answer
    x = 55,370.16

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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.