Home / 100,847.18-151,292.55-30,724.58

Finding the Fourth Proportional to 100,847.18, 151,292.55 and 30,724.58

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Solution

The fourth proportional to 100,847.18, 151,292.55 and 30,724.58 is: 46,093.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,847.18 : 151,292.55 = 30,724.58 : x
  2. Step 2: Convert to fraction form
    100,847.18/151,292.55 = 30,724.58/x
  3. Step 3: Cross multiply
    100,847.18x = 151,292.55 × 30,724.58
  4. Step 4: Simplify right side
    100,847.18x = 4,648,400,055.88
  5. Step 5: Solve for x
    x = 4,648,400,055.88/100,847.18
  6. Step 6: Final answer
    x = 46,093.51

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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.