Home / 111,868.76-167,763.18-36,975.08

Finding the Fourth Proportional to 111,868.76, 167,763.18 and 36,975.08

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Solution

The fourth proportional to 111,868.76, 167,763.18 and 36,975.08 is: 55,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,868.76 : 167,763.18 = 36,975.08 : x
  2. Step 2: Convert to fraction form
    111,868.76/167,763.18 = 36,975.08/x
  3. Step 3: Cross multiply
    111,868.76x = 167,763.18 × 36,975.08
  4. Step 4: Simplify right side
    111,868.76x = 6,203,057,001.55
  5. Step 5: Solve for x
    x = 6,203,057,001.55/111,868.76
  6. Step 6: Final answer
    x = 55,449.41

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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.