Home / 111,988.02-167,979.98-27,748.37

Finding the Fourth Proportional to 111,988.02, 167,979.98 and 27,748.37

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Solution

The fourth proportional to 111,988.02, 167,979.98 and 27,748.37 is: 41,622.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,988.02 : 167,979.98 = 27,748.37 : x
  2. Step 2: Convert to fraction form
    111,988.02/167,979.98 = 27,748.37/x
  3. Step 3: Cross multiply
    111,988.02x = 167,979.98 × 27,748.37
  4. Step 4: Simplify right side
    111,988.02x = 4,661,170,970.87
  5. Step 5: Solve for x
    x = 4,661,170,970.87/111,988.02
  6. Step 6: Final answer
    x = 41,622.05

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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.