Home / 76,586.81-105,674.17-44,749.55

Finding the Fourth Proportional to 76,586.81, 105,674.17 and 44,749.55

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Solution

The fourth proportional to 76,586.81, 105,674.17 and 44,749.55 is: 61,745.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,586.81 : 105,674.17 = 44,749.55 : x
  2. Step 2: Convert to fraction form
    76,586.81/105,674.17 = 44,749.55/x
  3. Step 3: Cross multiply
    76,586.81x = 105,674.17 × 44,749.55
  4. Step 4: Simplify right side
    76,586.81x = 4,728,870,913.88
  5. Step 5: Solve for x
    x = 4,728,870,913.88/76,586.81
  6. Step 6: Final answer
    x = 61,745.24

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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.