Home / 111,184.72-166,726.74-47,975.02

Finding the Fourth Proportional to 111,184.72, 166,726.74 and 47,975.02

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Solution

The fourth proportional to 111,184.72, 166,726.74 and 47,975.02 is: 71,940.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,184.72 : 166,726.74 = 47,975.02 : x
  2. Step 2: Convert to fraction form
    111,184.72/166,726.74 = 47,975.02/x
  3. Step 3: Cross multiply
    111,184.72x = 166,726.74 × 47,975.02
  4. Step 4: Simplify right side
    111,184.72x = 7,998,718,686.03
  5. Step 5: Solve for x
    x = 7,998,718,686.03/111,184.72
  6. Step 6: Final answer
    x = 71,940.81

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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.