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Finding the Fourth Proportional to 56,493.88, 85,071.24 and 41,806.44

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Solution

The fourth proportional to 56,493.88, 85,071.24 and 41,806.44 is: 62,954.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,493.88 : 85,071.24 = 41,806.44 : x
  2. Step 2: Convert to fraction form
    56,493.88/85,071.24 = 41,806.44/x
  3. Step 3: Cross multiply
    56,493.88x = 85,071.24 × 41,806.44
  4. Step 4: Simplify right side
    56,493.88x = 3,556,525,690.79
  5. Step 5: Solve for x
    x = 3,556,525,690.79/56,493.88
  6. Step 6: Final answer
    x = 62,954.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.