Home / 77,819.52-116,766.20-46,291.74

Finding the Fourth Proportional to 77,819.52, 116,766.20 and 46,291.74

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Solution

The fourth proportional to 77,819.52, 116,766.20 and 46,291.74 is: 69,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,819.52 : 116,766.20 = 46,291.74 : x
  2. Step 2: Convert to fraction form
    77,819.52/116,766.20 = 46,291.74/x
  3. Step 3: Cross multiply
    77,819.52x = 116,766.20 × 46,291.74
  4. Step 4: Simplify right side
    77,819.52x = 5,405,310,571.19
  5. Step 5: Solve for x
    x = 5,405,310,571.19/77,819.52
  6. Step 6: Final answer
    x = 69,459.57

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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.