Home / 76,975.65-106,226.44-45,144.68

Finding the Fourth Proportional to 76,975.65, 106,226.44 and 45,144.68

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Solution

The fourth proportional to 76,975.65, 106,226.44 and 45,144.68 is: 62,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,975.65 : 106,226.44 = 45,144.68 : x
  2. Step 2: Convert to fraction form
    76,975.65/106,226.44 = 45,144.68/x
  3. Step 3: Cross multiply
    76,975.65x = 106,226.44 × 45,144.68
  4. Step 4: Simplify right side
    76,975.65x = 4,795,557,997.35
  5. Step 5: Solve for x
    x = 4,795,557,997.35/76,975.65
  6. Step 6: Final answer
    x = 62,299.68

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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.