Home / 102,174.96-140,980.32-59,725.28

Finding the Fourth Proportional to 102,174.96, 140,980.32 and 59,725.28

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Solution

The fourth proportional to 102,174.96, 140,980.32 and 59,725.28 is: 82,408.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,174.96 : 140,980.32 = 59,725.28 : x
  2. Step 2: Convert to fraction form
    102,174.96/140,980.32 = 59,725.28/x
  3. Step 3: Cross multiply
    102,174.96x = 140,980.32 × 59,725.28
  4. Step 4: Simplify right side
    102,174.96x = 8,420,089,086.49
  5. Step 5: Solve for x
    x = 8,420,089,086.49/102,174.96
  6. Step 6: Final answer
    x = 82,408.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.