Home / 67,312.54-100,997.97-36,140.50

Finding the Fourth Proportional to 67,312.54, 100,997.97 and 36,140.50

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Solution

The fourth proportional to 67,312.54, 100,997.97 and 36,140.50 is: 54,226.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,312.54 : 100,997.97 = 36,140.50 : x
  2. Step 2: Convert to fraction form
    67,312.54/100,997.97 = 36,140.50/x
  3. Step 3: Cross multiply
    67,312.54x = 100,997.97 × 36,140.50
  4. Step 4: Simplify right side
    67,312.54x = 3,650,117,134.79
  5. Step 5: Solve for x
    x = 3,650,117,134.79/67,312.54
  6. Step 6: Final answer
    x = 54,226.41

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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.