Home / 56,707.92-78,247.32-32,830.44

Finding the Fourth Proportional to 56,707.92, 78,247.32 and 32,830.44

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Solution

The fourth proportional to 56,707.92, 78,247.32 and 32,830.44 is: 45,300.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,707.92 : 78,247.32 = 32,830.44 : x
  2. Step 2: Convert to fraction form
    56,707.92/78,247.32 = 32,830.44/x
  3. Step 3: Cross multiply
    56,707.92x = 78,247.32 × 32,830.44
  4. Step 4: Simplify right side
    56,707.92x = 2,568,893,944.42
  5. Step 5: Solve for x
    x = 2,568,893,944.42/56,707.92
  6. Step 6: Final answer
    x = 45,300.44

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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.