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Finding the Fourth Proportional to 72,674.70, 101,511.30 and 72,674.70

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Solution

The fourth proportional to 72,674.70, 101,511.30 and 72,674.70 is: 101,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,674.70 : 101,511.30 = 72,674.70 : x
  2. Step 2: Convert to fraction form
    72,674.70/101,511.30 = 72,674.70/x
  3. Step 3: Cross multiply
    72,674.70x = 101,511.30 × 72,674.70
  4. Step 4: Simplify right side
    72,674.70x = 7,377,303,274.11
  5. Step 5: Solve for x
    x = 7,377,303,274.11/72,674.70
  6. Step 6: Final answer
    x = 101,511.30

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