Home / 111,943.02-167,778.45-52,709.34

Finding the Fourth Proportional to 111,943.02, 167,778.45 and 52,709.34

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Solution

The fourth proportional to 111,943.02, 167,778.45 and 52,709.34 is: 78,999.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,943.02 : 167,778.45 = 52,709.34 : x
  2. Step 2: Convert to fraction form
    111,943.02/167,778.45 = 52,709.34/x
  3. Step 3: Cross multiply
    111,943.02x = 167,778.45 × 52,709.34
  4. Step 4: Simplify right side
    111,943.02x = 8,843,491,365.72
  5. Step 5: Solve for x
    x = 8,843,491,365.72/111,943.02
  6. Step 6: Final answer
    x = 78,999.94

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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.