Home / 100,671.01-151,007.43-30,550.32

Finding the Fourth Proportional to 100,671.01, 151,007.43 and 30,550.32

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Solution

The fourth proportional to 100,671.01, 151,007.43 and 30,550.32 is: 45,825.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,671.01 : 151,007.43 = 30,550.32 : x
  2. Step 2: Convert to fraction form
    100,671.01/151,007.43 = 30,550.32/x
  3. Step 3: Cross multiply
    100,671.01x = 151,007.43 × 30,550.32
  4. Step 4: Simplify right side
    100,671.01x = 4,613,325,156.13
  5. Step 5: Solve for x
    x = 4,613,325,156.13/100,671.01
  6. Step 6: Final answer
    x = 45,825.76

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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.