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Finding the Fourth Proportional to 97,579, 134,659.05 and 52,867

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Solution

The fourth proportional to 97,579, 134,659.05 and 52,867 is: 72,956.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,579 : 134,659.05 = 52,867 : x
  2. Step 2: Convert to fraction form
    97,579/134,659.05 = 52,867/x
  3. Step 3: Cross multiply
    97,579x = 134,659.05 × 52,867
  4. Step 4: Simplify right side
    97,579x = 7,119,019,996.35
  5. Step 5: Solve for x
    x = 7,119,019,996.35/97,579
  6. Step 6: Final answer
    x = 72,956.48

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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.