Home / 77,910.48-116,824.14-40,432.83

Finding the Fourth Proportional to 77,910.48, 116,824.14 and 40,432.83

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Solution

The fourth proportional to 77,910.48, 116,824.14 and 40,432.83 is: 60,627.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,910.48 : 116,824.14 = 40,432.83 : x
  2. Step 2: Convert to fraction form
    77,910.48/116,824.14 = 40,432.83/x
  3. Step 3: Cross multiply
    77,910.48x = 116,824.14 × 40,432.83
  4. Step 4: Simplify right side
    77,910.48x = 4,723,530,592.52
  5. Step 5: Solve for x
    x = 4,723,530,592.52/77,910.48
  6. Step 6: Final answer
    x = 60,627.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.