Home / 105,975.92-158,987.64-35,853.68

Finding the Fourth Proportional to 105,975.92, 158,987.64 and 35,853.68

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Solution

The fourth proportional to 105,975.92, 158,987.64 and 35,853.68 is: 53,788.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,975.92 : 158,987.64 = 35,853.68 : x
  2. Step 2: Convert to fraction form
    105,975.92/158,987.64 = 35,853.68/x
  3. Step 3: Cross multiply
    105,975.92x = 158,987.64 × 35,853.68
  4. Step 4: Simplify right side
    105,975.92x = 5,700,291,968.52
  5. Step 5: Solve for x
    x = 5,700,291,968.52/105,975.92
  6. Step 6: Final answer
    x = 53,788.56

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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.