Home / 85,290.66-127,890.73-26,110.44

Finding the Fourth Proportional to 85,290.66, 127,890.73 and 26,110.44

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Solution

The fourth proportional to 85,290.66, 127,890.73 and 26,110.44 is: 39,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,290.66 : 127,890.73 = 26,110.44 : x
  2. Step 2: Convert to fraction form
    85,290.66/127,890.73 = 26,110.44/x
  3. Step 3: Cross multiply
    85,290.66x = 127,890.73 × 26,110.44
  4. Step 4: Simplify right side
    85,290.66x = 3,339,283,232.22
  5. Step 5: Solve for x
    x = 3,339,283,232.22/85,290.66
  6. Step 6: Final answer
    x = 39,151.80

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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.