Home / 110,724.90-165,837.62-51,435.80

Finding the Fourth Proportional to 110,724.90, 165,837.62 and 51,435.80

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Solution

The fourth proportional to 110,724.90, 165,837.62 and 51,435.80 is: 77,037.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,724.90 : 165,837.62 = 51,435.80 : x
  2. Step 2: Convert to fraction form
    110,724.90/165,837.62 = 51,435.80/x
  3. Step 3: Cross multiply
    110,724.90x = 165,837.62 × 51,435.80
  4. Step 4: Simplify right side
    110,724.90x = 8,529,990,654.80
  5. Step 5: Solve for x
    x = 8,529,990,654.80/110,724.90
  6. Step 6: Final answer
    x = 77,037.69

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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.