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Finding the Fourth Proportional to 92,569.37, 138,825.32 and 33,397.34

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Solution

The fourth proportional to 92,569.37, 138,825.32 and 33,397.34 is: 50,085.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,569.37 : 138,825.32 = 33,397.34 : x
  2. Step 2: Convert to fraction form
    92,569.37/138,825.32 = 33,397.34/x
  3. Step 3: Cross multiply
    92,569.37x = 138,825.32 × 33,397.34
  4. Step 4: Simplify right side
    92,569.37x = 4,636,395,551.54
  5. Step 5: Solve for x
    x = 4,636,395,551.54/92,569.37
  6. Step 6: Final answer
    x = 50,085.64

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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.