Home / 76,780.32-105,914.07-44,943.09

Finding the Fourth Proportional to 76,780.32, 105,914.07 and 44,943.09

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Solution

The fourth proportional to 76,780.32, 105,914.07 and 44,943.09 is: 61,996.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,780.32 : 105,914.07 = 44,943.09 : x
  2. Step 2: Convert to fraction form
    76,780.32/105,914.07 = 44,943.09/x
  3. Step 3: Cross multiply
    76,780.32x = 105,914.07 × 44,943.09
  4. Step 4: Simplify right side
    76,780.32x = 4,760,105,580.28
  5. Step 5: Solve for x
    x = 4,760,105,580.28/76,780.32
  6. Step 6: Final answer
    x = 61,996.43

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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.