Home / 90,841.58-125,367.27-50,555.22

Finding the Fourth Proportional to 90,841.58, 125,367.27 and 50,555.22

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Solution

The fourth proportional to 90,841.58, 125,367.27 and 50,555.22 is: 69,769.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,841.58 : 125,367.27 = 50,555.22 : x
  2. Step 2: Convert to fraction form
    90,841.58/125,367.27 = 50,555.22/x
  3. Step 3: Cross multiply
    90,841.58x = 125,367.27 × 50,555.22
  4. Step 4: Simplify right side
    90,841.58x = 6,337,969,915.65
  5. Step 5: Solve for x
    x = 6,337,969,915.65/90,841.58
  6. Step 6: Final answer
    x = 69,769.49

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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.