Home / 112,014.78-167,892.16-45,372.03

Finding the Fourth Proportional to 112,014.78, 167,892.16 and 45,372.03

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Solution

The fourth proportional to 112,014.78, 167,892.16 and 45,372.03 is: 68,005.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,014.78 : 167,892.16 = 45,372.03 : x
  2. Step 2: Convert to fraction form
    112,014.78/167,892.16 = 45,372.03/x
  3. Step 3: Cross multiply
    112,014.78x = 167,892.16 × 45,372.03
  4. Step 4: Simplify right side
    112,014.78x = 7,617,608,120.28
  5. Step 5: Solve for x
    x = 7,617,608,120.28/112,014.78
  6. Step 6: Final answer
    x = 68,005.38

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1.5x scale

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.