Home / 76,769.76-115,166.78-22,739.93

Finding the Fourth Proportional to 76,769.76, 115,166.78 and 22,739.93

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Solution

The fourth proportional to 76,769.76, 115,166.78 and 22,739.93 is: 34,113.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,769.76 : 115,166.78 = 22,739.93 : x
  2. Step 2: Convert to fraction form
    76,769.76/115,166.78 = 22,739.93/x
  3. Step 3: Cross multiply
    76,769.76x = 115,166.78 × 22,739.93
  4. Step 4: Simplify right side
    76,769.76x = 2,618,883,825.99
  5. Step 5: Solve for x
    x = 2,618,883,825.99/76,769.76
  6. Step 6: Final answer
    x = 34,113.48

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1.5x scale

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.