Home / 72,936.96-100,625.85-49,025.76

Finding the Fourth Proportional to 72,936.96, 100,625.85 and 49,025.76

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Solution

The fourth proportional to 72,936.96, 100,625.85 and 49,025.76 is: 67,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,936.96 : 100,625.85 = 49,025.76 : x
  2. Step 2: Convert to fraction form
    72,936.96/100,625.85 = 49,025.76/x
  3. Step 3: Cross multiply
    72,936.96x = 100,625.85 × 49,025.76
  4. Step 4: Simplify right side
    72,936.96x = 4,933,258,771.90
  5. Step 5: Solve for x
    x = 4,933,258,771.90/72,936.96
  6. Step 6: Final answer
    x = 67,637.30

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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.