Home / 111,416.54-167,037.15-55,218.02

Finding the Fourth Proportional to 111,416.54, 167,037.15 and 55,218.02

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Solution

The fourth proportional to 111,416.54, 167,037.15 and 55,218.02 is: 82,783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,416.54 : 167,037.15 = 55,218.02 : x
  2. Step 2: Convert to fraction form
    111,416.54/167,037.15 = 55,218.02/x
  3. Step 3: Cross multiply
    111,416.54x = 167,037.15 × 55,218.02
  4. Step 4: Simplify right side
    111,416.54x = 9,223,460,689.44
  5. Step 5: Solve for x
    x = 9,223,460,689.44/111,416.54
  6. Step 6: Final answer
    x = 82,783.59

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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.