Home / 55,701.59-76,872.26-31,827.76

Finding the Fourth Proportional to 55,701.59, 76,872.26 and 31,827.76

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Solution

The fourth proportional to 55,701.59, 76,872.26 and 31,827.76 is: 43,924.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,701.59 : 76,872.26 = 31,827.76 : x
  2. Step 2: Convert to fraction form
    55,701.59/76,872.26 = 31,827.76/x
  3. Step 3: Cross multiply
    55,701.59x = 76,872.26 × 31,827.76
  4. Step 4: Simplify right side
    55,701.59x = 2,446,671,729.33
  5. Step 5: Solve for x
    x = 2,446,671,729.33/55,701.59
  6. Step 6: Final answer
    x = 43,924.63

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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.