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Finding the Fourth Proportional to 61,671.33, 85,106.52 and 33,377.04

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Solution

The fourth proportional to 61,671.33, 85,106.52 and 33,377.04 is: 46,060.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,671.33 : 85,106.52 = 33,377.04 : x
  2. Step 2: Convert to fraction form
    61,671.33/85,106.52 = 33,377.04/x
  3. Step 3: Cross multiply
    61,671.33x = 85,106.52 × 33,377.04
  4. Step 4: Simplify right side
    61,671.33x = 2,840,603,722.30
  5. Step 5: Solve for x
    x = 2,840,603,722.30/61,671.33
  6. Step 6: Final answer
    x = 46,060.36

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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.