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Finding the Fourth Proportional to 64,872, 97,337.28 and 37,170

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Solution

The fourth proportional to 64,872, 97,337.28 and 37,170 is: 55,771.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,872 : 97,337.28 = 37,170 : x
  2. Step 2: Convert to fraction form
    64,872/97,337.28 = 37,170/x
  3. Step 3: Cross multiply
    64,872x = 97,337.28 × 37,170
  4. Step 4: Simplify right side
    64,872x = 3,618,026,697.60
  5. Step 5: Solve for x
    x = 3,618,026,697.60/64,872
  6. Step 6: Final answer
    x = 55,771.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.