Home / 61,081.48-91,535.82-25,985.80

Finding the Fourth Proportional to 61,081.48, 91,535.82 and 25,985.80

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Solution

The fourth proportional to 61,081.48, 91,535.82 and 25,985.80 is: 38,941.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,081.48 : 91,535.82 = 25,985.80 : x
  2. Step 2: Convert to fraction form
    61,081.48/91,535.82 = 25,985.80/x
  3. Step 3: Cross multiply
    61,081.48x = 91,535.82 × 25,985.80
  4. Step 4: Simplify right side
    61,081.48x = 2,378,631,511.36
  5. Step 5: Solve for x
    x = 2,378,631,511.36/61,081.48
  6. Step 6: Final answer
    x = 38,941.94

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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.