Home / 70,602.12-105,912.78-23,868.36

Finding the Fourth Proportional to 70,602.12, 105,912.78 and 23,868.36

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Solution

The fourth proportional to 70,602.12, 105,912.78 and 23,868.36 is: 35,805.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,602.12 : 105,912.78 = 23,868.36 : x
  2. Step 2: Convert to fraction form
    70,602.12/105,912.78 = 23,868.36/x
  3. Step 3: Cross multiply
    70,602.12x = 105,912.78 × 23,868.36
  4. Step 4: Simplify right side
    70,602.12x = 2,527,964,361.64
  5. Step 5: Solve for x
    x = 2,527,964,361.64/70,602.12
  6. Step 6: Final answer
    x = 35,805.79

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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.