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Finding the Fourth Proportional to 61,668.60, 92,531.14 and 33,546.51

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Solution

The fourth proportional to 61,668.60, 92,531.14 and 33,546.51 is: 50,335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,668.60 : 92,531.14 = 33,546.51 : x
  2. Step 2: Convert to fraction form
    61,668.60/92,531.14 = 33,546.51/x
  3. Step 3: Cross multiply
    61,668.60x = 92,531.14 × 33,546.51
  4. Step 4: Simplify right side
    61,668.60x = 3,104,096,813.32
  5. Step 5: Solve for x
    x = 3,104,096,813.32/61,668.60
  6. Step 6: Final answer
    x = 50,335.13

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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.