Home / 76,777.32-105,909.93-44,940.09

Finding the Fourth Proportional to 76,777.32, 105,909.93 and 44,940.09

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Solution

The fourth proportional to 76,777.32, 105,909.93 and 44,940.09 is: 61,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,777.32 : 105,909.93 = 44,940.09 : x
  2. Step 2: Convert to fraction form
    76,777.32/105,909.93 = 44,940.09/x
  3. Step 3: Cross multiply
    76,777.32x = 105,909.93 × 44,940.09
  4. Step 4: Simplify right side
    76,777.32x = 4,759,601,786.09
  5. Step 5: Solve for x
    x = 4,759,601,786.09/76,777.32
  6. Step 6: Final answer
    x = 61,992.29

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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.