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Finding the Fourth Proportional to 64,801, 89,425.38 and 34,993

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Solution

The fourth proportional to 64,801, 89,425.38 and 34,993 is: 48,290.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,801 : 89,425.38 = 34,993 : x
  2. Step 2: Convert to fraction form
    64,801/89,425.38 = 34,993/x
  3. Step 3: Cross multiply
    64,801x = 89,425.38 × 34,993
  4. Step 4: Simplify right side
    64,801x = 3,129,262,322.34
  5. Step 5: Solve for x
    x = 3,129,262,322.34/64,801
  6. Step 6: Final answer
    x = 48,290.34

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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.