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Finding the Fourth Proportional to 64,899.40, 97,352.30 and 33,795.40

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Solution

The fourth proportional to 64,899.40, 97,352.30 and 33,795.40 is: 50,694.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,899.40 : 97,352.30 = 33,795.40 : x
  2. Step 2: Convert to fraction form
    64,899.40/97,352.30 = 33,795.40/x
  3. Step 3: Cross multiply
    64,899.40x = 97,352.30 × 33,795.40
  4. Step 4: Simplify right side
    64,899.40x = 3,290,059,919.42
  5. Step 5: Solve for x
    x = 3,290,059,919.42/64,899.40
  6. Step 6: Final answer
    x = 50,694.77

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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.