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Finding the Fourth Proportional to 73,414.70, 102,849.70 and 73,414.70

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Solution

The fourth proportional to 73,414.70, 102,849.70 and 73,414.70 is: 102,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,414.70 : 102,849.70 = 73,414.70 : x
  2. Step 2: Convert to fraction form
    73,414.70/102,849.70 = 73,414.70/x
  3. Step 3: Cross multiply
    73,414.70x = 102,849.70 × 73,414.70
  4. Step 4: Simplify right side
    73,414.70x = 7,550,679,870.59
  5. Step 5: Solve for x
    x = 7,550,679,870.59/73,414.70
  6. Step 6: Final answer
    x = 102,849.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.