Home / 69,538.21-104,325.54-30,086.08

Finding the Fourth Proportional to 69,538.21, 104,325.54 and 30,086.08

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Solution

The fourth proportional to 69,538.21, 104,325.54 and 30,086.08 is: 45,137.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,538.21 : 104,325.54 = 30,086.08 : x
  2. Step 2: Convert to fraction form
    69,538.21/104,325.54 = 30,086.08/x
  3. Step 3: Cross multiply
    69,538.21x = 104,325.54 × 30,086.08
  4. Step 4: Simplify right side
    69,538.21x = 3,138,746,542.48
  5. Step 5: Solve for x
    x = 3,138,746,542.48/69,538.21
  6. Step 6: Final answer
    x = 45,137.01

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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.