Home / 82,905.06-124,381.82-26,743.94

Finding the Fourth Proportional to 82,905.06, 124,381.82 and 26,743.94

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Solution

The fourth proportional to 82,905.06, 124,381.82 and 26,743.94 is: 40,123.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,905.06 : 124,381.82 = 26,743.94 : x
  2. Step 2: Convert to fraction form
    82,905.06/124,381.82 = 26,743.94/x
  3. Step 3: Cross multiply
    82,905.06x = 124,381.82 × 26,743.94
  4. Step 4: Simplify right side
    82,905.06x = 3,326,459,175.54
  5. Step 5: Solve for x
    x = 3,326,459,175.54/82,905.06
  6. Step 6: Final answer
    x = 40,123.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.