Home / 98,903.25-148,361.72-39,738.87

Finding the Fourth Proportional to 98,903.25, 148,361.72 and 39,738.87

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Solution

The fourth proportional to 98,903.25, 148,361.72 and 39,738.87 is: 59,611.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,903.25 : 148,361.72 = 39,738.87 : x
  2. Step 2: Convert to fraction form
    98,903.25/148,361.72 = 39,738.87/x
  3. Step 3: Cross multiply
    98,903.25x = 148,361.72 × 39,738.87
  4. Step 4: Simplify right side
    98,903.25x = 5,895,726,905.36
  5. Step 5: Solve for x
    x = 5,895,726,905.36/98,903.25
  6. Step 6: Final answer
    x = 59,611.05

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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.