Home / 76,682.07-105,730.74-52,494.66

Finding the Fourth Proportional to 76,682.07, 105,730.74 and 52,494.66

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Solution

The fourth proportional to 76,682.07, 105,730.74 and 52,494.66 is: 72,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,682.07 : 105,730.74 = 52,494.66 : x
  2. Step 2: Convert to fraction form
    76,682.07/105,730.74 = 52,494.66/x
  3. Step 3: Cross multiply
    76,682.07x = 105,730.74 × 52,494.66
  4. Step 4: Simplify right side
    76,682.07x = 5,550,299,247.85
  5. Step 5: Solve for x
    x = 5,550,299,247.85/76,682.07
  6. Step 6: Final answer
    x = 72,380.67

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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.