Home / 56,997.11-85,512.98-40,389.28

Finding the Fourth Proportional to 56,997.11, 85,512.98 and 40,389.28

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Solution

The fourth proportional to 56,997.11, 85,512.98 and 40,389.28 is: 60,596.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,997.11 : 85,512.98 = 40,389.28 : x
  2. Step 2: Convert to fraction form
    56,997.11/85,512.98 = 40,389.28/x
  3. Step 3: Cross multiply
    56,997.11x = 85,512.98 × 40,389.28
  4. Step 4: Simplify right side
    56,997.11x = 3,453,807,580.05
  5. Step 5: Solve for x
    x = 3,453,807,580.05/56,997.11
  6. Step 6: Final answer
    x = 60,596.19

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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.