Home / 107,693.37-161,540.01-28,805.55

Finding the Fourth Proportional to 107,693.37, 161,540.01 and 28,805.55

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Solution

The fourth proportional to 107,693.37, 161,540.01 and 28,805.55 is: 43,208.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,693.37 : 161,540.01 = 28,805.55 : x
  2. Step 2: Convert to fraction form
    107,693.37/161,540.01 = 28,805.55/x
  3. Step 3: Cross multiply
    107,693.37x = 161,540.01 × 28,805.55
  4. Step 4: Simplify right side
    107,693.37x = 4,653,248,835.06
  5. Step 5: Solve for x
    x = 4,653,248,835.06/107,693.37
  6. Step 6: Final answer
    x = 43,208.31

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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.