Home / 79,904.56-119,819.76-46,634.20

Finding the Fourth Proportional to 79,904.56, 119,819.76 and 46,634.20

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Solution

The fourth proportional to 79,904.56, 119,819.76 and 46,634.20 is: 69,929.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,904.56 : 119,819.76 = 46,634.20 : x
  2. Step 2: Convert to fraction form
    79,904.56/119,819.76 = 46,634.20/x
  3. Step 3: Cross multiply
    79,904.56x = 119,819.76 × 46,634.20
  4. Step 4: Simplify right side
    79,904.56x = 5,587,698,651.79
  5. Step 5: Solve for x
    x = 5,587,698,651.79/79,904.56
  6. Step 6: Final answer
    x = 69,929.66

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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.