Home / 56,946.21-78,585.92-31,796.61

Finding the Fourth Proportional to 56,946.21, 78,585.92 and 31,796.61

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Solution

The fourth proportional to 56,946.21, 78,585.92 and 31,796.61 is: 43,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,946.21 : 78,585.92 = 31,796.61 : x
  2. Step 2: Convert to fraction form
    56,946.21/78,585.92 = 31,796.61/x
  3. Step 3: Cross multiply
    56,946.21x = 78,585.92 × 31,796.61
  4. Step 4: Simplify right side
    56,946.21x = 2,498,765,690.75
  5. Step 5: Solve for x
    x = 2,498,765,690.75/56,946.21
  6. Step 6: Final answer
    x = 43,879.40

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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.