Home / 107,979.48-161,968.92-37,858.79

Finding the Fourth Proportional to 107,979.48, 161,968.92 and 37,858.79

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Solution

The fourth proportional to 107,979.48, 161,968.92 and 37,858.79 is: 56,788.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,979.48 : 161,968.92 = 37,858.79 : x
  2. Step 2: Convert to fraction form
    107,979.48/161,968.92 = 37,858.79/x
  3. Step 3: Cross multiply
    107,979.48x = 161,968.92 × 37,858.79
  4. Step 4: Simplify right side
    107,979.48x = 6,131,947,591.76
  5. Step 5: Solve for x
    x = 6,131,947,591.76/107,979.48
  6. Step 6: Final answer
    x = 56,788.08

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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.