Home / 56,018.57-77,325.45-50,039.86

Finding the Fourth Proportional to 56,018.57, 77,325.45 and 50,039.86

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Solution

The fourth proportional to 56,018.57, 77,325.45 and 50,039.86 is: 69,072.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,018.57 : 77,325.45 = 50,039.86 : x
  2. Step 2: Convert to fraction form
    56,018.57/77,325.45 = 50,039.86/x
  3. Step 3: Cross multiply
    56,018.57x = 77,325.45 × 50,039.86
  4. Step 4: Simplify right side
    56,018.57x = 3,869,354,692.44
  5. Step 5: Solve for x
    x = 3,869,354,692.44/56,018.57
  6. Step 6: Final answer
    x = 69,072.71

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1.5x scale

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.