Home / 75,257.82-112,887.27-61,201.44

Finding the Fourth Proportional to 75,257.82, 112,887.27 and 61,201.44

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Solution

The fourth proportional to 75,257.82, 112,887.27 and 61,201.44 is: 91,802.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,257.82 : 112,887.27 = 61,201.44 : x
  2. Step 2: Convert to fraction form
    75,257.82/112,887.27 = 61,201.44/x
  3. Step 3: Cross multiply
    75,257.82x = 112,887.27 × 61,201.44
  4. Step 4: Simplify right side
    75,257.82x = 6,908,863,481.67
  5. Step 5: Solve for x
    x = 6,908,863,481.67/75,257.82
  6. Step 6: Final answer
    x = 91,802.60

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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.