Home / 55,718.22-76,872.44-31,827.98

Finding the Fourth Proportional to 55,718.22, 76,872.44 and 31,827.98

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Solution

The fourth proportional to 55,718.22, 76,872.44 and 31,827.98 is: 43,911.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,718.22 : 76,872.44 = 31,827.98 : x
  2. Step 2: Convert to fraction form
    55,718.22/76,872.44 = 31,827.98/x
  3. Step 3: Cross multiply
    55,718.22x = 76,872.44 × 31,827.98
  4. Step 4: Simplify right side
    55,718.22x = 2,446,693,939.37
  5. Step 5: Solve for x
    x = 2,446,693,939.37/55,718.22
  6. Step 6: Final answer
    x = 43,911.92

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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.