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Finding the Fourth Proportional to 97,060.56, 133,944.89 and 56,797.89

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Solution

The fourth proportional to 97,060.56, 133,944.89 and 56,797.89 is: 78,381.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,060.56 : 133,944.89 = 56,797.89 : x
  2. Step 2: Convert to fraction form
    97,060.56/133,944.89 = 56,797.89/x
  3. Step 3: Cross multiply
    97,060.56x = 133,944.89 × 56,797.89
  4. Step 4: Simplify right side
    97,060.56x = 7,607,786,844.29
  5. Step 5: Solve for x
    x = 7,607,786,844.29/97,060.56
  6. Step 6: Final answer
    x = 78,381.86

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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.