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Finding the Fourth Proportional to 70,757.01, 97,684.97 and 46,915.92

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Solution

The fourth proportional to 70,757.01, 97,684.97 and 46,915.92 is: 64,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,757.01 : 97,684.97 = 46,915.92 : x
  2. Step 2: Convert to fraction form
    70,757.01/97,684.97 = 46,915.92/x
  3. Step 3: Cross multiply
    70,757.01x = 97,684.97 × 46,915.92
  4. Step 4: Simplify right side
    70,757.01x = 4,582,980,003.14
  5. Step 5: Solve for x
    x = 4,582,980,003.14/70,757.01
  6. Step 6: Final answer
    x = 64,770.68

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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.