Home / 64,654.20-97,083.30-38,475.78

Finding the Fourth Proportional to 64,654.20, 97,083.30 and 38,475.78

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Solution

The fourth proportional to 64,654.20, 97,083.30 and 38,475.78 is: 57,774.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,654.20 : 97,083.30 = 38,475.78 : x
  2. Step 2: Convert to fraction form
    64,654.20/97,083.30 = 38,475.78/x
  3. Step 3: Cross multiply
    64,654.20x = 97,083.30 × 38,475.78
  4. Step 4: Simplify right side
    64,654.20x = 3,735,355,692.47
  5. Step 5: Solve for x
    x = 3,735,355,692.47/64,654.20
  6. Step 6: Final answer
    x = 57,774.37

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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.