Home / 69,755.10-104,568.81-30,298.02

Finding the Fourth Proportional to 69,755.10, 104,568.81 and 30,298.02

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Solution

The fourth proportional to 69,755.10, 104,568.81 and 30,298.02 is: 45,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,755.10 : 104,568.81 = 30,298.02 : x
  2. Step 2: Convert to fraction form
    69,755.10/104,568.81 = 30,298.02/x
  3. Step 3: Cross multiply
    69,755.10x = 104,568.81 × 30,298.02
  4. Step 4: Simplify right side
    69,755.10x = 3,168,227,896.76
  5. Step 5: Solve for x
    x = 3,168,227,896.76/69,755.10
  6. Step 6: Final answer
    x = 45,419.30

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Why These Related Problems?

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