Home / 79,366.19-109,521.89-43,556.80

Finding the Fourth Proportional to 79,366.19, 109,521.89 and 43,556.80

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Solution

The fourth proportional to 79,366.19, 109,521.89 and 43,556.80 is: 60,106.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,366.19 : 109,521.89 = 43,556.80 : x
  2. Step 2: Convert to fraction form
    79,366.19/109,521.89 = 43,556.80/x
  3. Step 3: Cross multiply
    79,366.19x = 109,521.89 × 43,556.80
  4. Step 4: Simplify right side
    79,366.19x = 4,770,422,510.74
  5. Step 5: Solve for x
    x = 4,770,422,510.74/79,366.19
  6. Step 6: Final answer
    x = 60,106.48

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1.5x scale

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.