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Finding the Fourth Proportional to 62,840, 86,714.05 and 36,994.45

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Solution

The fourth proportional to 62,840, 86,714.05 and 36,994.45 is: 51,049.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,840 : 86,714.05 = 36,994.45 : x
  2. Step 2: Convert to fraction form
    62,840/86,714.05 = 36,994.45/x
  3. Step 3: Cross multiply
    62,840x = 86,714.05 × 36,994.45
  4. Step 4: Simplify right side
    62,840x = 3,207,938,587.02
  5. Step 5: Solve for x
    x = 3,207,938,587.02/62,840
  6. Step 6: Final answer
    x = 51,049.31

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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.