Home / 56,499.92-77,983.99-32,640.44

Finding the Fourth Proportional to 56,499.92, 77,983.99 and 32,640.44

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Solution

The fourth proportional to 56,499.92, 77,983.99 and 32,640.44 is: 45,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,499.92 : 77,983.99 = 32,640.44 : x
  2. Step 2: Convert to fraction form
    56,499.92/77,983.99 = 32,640.44/x
  3. Step 3: Cross multiply
    56,499.92x = 77,983.99 × 32,640.44
  4. Step 4: Simplify right side
    56,499.92x = 2,545,431,746.56
  5. Step 5: Solve for x
    x = 2,545,431,746.56/56,499.92
  6. Step 6: Final answer
    x = 45,051.95

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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.