Home / 100,829.56-151,266.24-30,707.08

Finding the Fourth Proportional to 100,829.56, 151,266.24 and 30,707.08

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Solution

The fourth proportional to 100,829.56, 151,266.24 and 30,707.08 is: 46,067.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,829.56 : 151,266.24 = 30,707.08 : x
  2. Step 2: Convert to fraction form
    100,829.56/151,266.24 = 30,707.08/x
  3. Step 3: Cross multiply
    100,829.56x = 151,266.24 × 30,707.08
  4. Step 4: Simplify right side
    100,829.56x = 4,644,944,532.98
  5. Step 5: Solve for x
    x = 4,644,944,532.98/100,829.56
  6. Step 6: Final answer
    x = 46,067.29

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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.