Home / 107,481.51-161,222.06-28,595.75

Finding the Fourth Proportional to 107,481.51, 161,222.06 and 28,595.75

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Solution

The fourth proportional to 107,481.51, 161,222.06 and 28,595.75 is: 42,893.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,481.51 : 161,222.06 = 28,595.75 : x
  2. Step 2: Convert to fraction form
    107,481.51/161,222.06 = 28,595.75/x
  3. Step 3: Cross multiply
    107,481.51x = 161,222.06 × 28,595.75
  4. Step 4: Simplify right side
    107,481.51x = 4,610,264,987.62
  5. Step 5: Solve for x
    x = 4,610,264,987.62/107,481.51
  6. Step 6: Final answer
    x = 42,893.56

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1.5x scale

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.