Home / 69,964.36-104,961.18-38,734.12

Finding the Fourth Proportional to 69,964.36, 104,961.18 and 38,734.12

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Solution

The fourth proportional to 69,964.36, 104,961.18 and 38,734.12 is: 58,109.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,964.36 : 104,961.18 = 38,734.12 : x
  2. Step 2: Convert to fraction form
    69,964.36/104,961.18 = 38,734.12/x
  3. Step 3: Cross multiply
    69,964.36x = 104,961.18 × 38,734.12
  4. Step 4: Simplify right side
    69,964.36x = 4,065,578,941.46
  5. Step 5: Solve for x
    x = 4,065,578,941.46/69,964.36
  6. Step 6: Final answer
    x = 58,109.29

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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.