Home / 111,728.10-167,665.96-52,568.38

Finding the Fourth Proportional to 111,728.10, 167,665.96 and 52,568.38

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Solution

The fourth proportional to 111,728.10, 167,665.96 and 52,568.38 is: 78,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,728.10 : 167,665.96 = 52,568.38 : x
  2. Step 2: Convert to fraction form
    111,728.10/167,665.96 = 52,568.38/x
  3. Step 3: Cross multiply
    111,728.10x = 167,665.96 × 52,568.38
  4. Step 4: Simplify right side
    111,728.10x = 8,813,927,877.94
  5. Step 5: Solve for x
    x = 8,813,927,877.94/111,728.10
  6. Step 6: Final answer
    x = 78,887.30

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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.