Home / 55,162.08-76,122.78-33,940.80

Finding the Fourth Proportional to 55,162.08, 76,122.78 and 33,940.80

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Solution

The fourth proportional to 55,162.08, 76,122.78 and 33,940.80 is: 46,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,162.08 : 76,122.78 = 33,940.80 : x
  2. Step 2: Convert to fraction form
    55,162.08/76,122.78 = 33,940.80/x
  3. Step 3: Cross multiply
    55,162.08x = 76,122.78 × 33,940.80
  4. Step 4: Simplify right side
    55,162.08x = 2,583,668,051.42
  5. Step 5: Solve for x
    x = 2,583,668,051.42/55,162.08
  6. Step 6: Final answer
    x = 46,837.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.