Home / 90,841.83-125,367.61-50,555.46

Finding the Fourth Proportional to 90,841.83, 125,367.61 and 50,555.46

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Solution

The fourth proportional to 90,841.83, 125,367.61 and 50,555.46 is: 69,769.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,841.83 : 125,367.61 = 50,555.46 : x
  2. Step 2: Convert to fraction form
    90,841.83/125,367.61 = 50,555.46/x
  3. Step 3: Cross multiply
    90,841.83x = 125,367.61 × 50,555.46
  4. Step 4: Simplify right side
    90,841.83x = 6,338,017,192.65
  5. Step 5: Solve for x
    x = 6,338,017,192.65/90,841.83
  6. Step 6: Final answer
    x = 69,769.81

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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.