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Finding the Fourth Proportional to 61,852.17, 85,425.54 and 41,673.72

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Solution

The fourth proportional to 61,852.17, 85,425.54 and 41,673.72 is: 57,556.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,852.17 : 85,425.54 = 41,673.72 : x
  2. Step 2: Convert to fraction form
    61,852.17/85,425.54 = 41,673.72/x
  3. Step 3: Cross multiply
    61,852.17x = 85,425.54 × 41,673.72
  4. Step 4: Simplify right side
    61,852.17x = 3,560,000,034.81
  5. Step 5: Solve for x
    x = 3,560,000,034.81/61,852.17
  6. Step 6: Final answer
    x = 57,556.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.