Home / 80,121.23-110,555.00-46,123.14

Finding the Fourth Proportional to 80,121.23, 110,555.00 and 46,123.14

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Solution

The fourth proportional to 80,121.23, 110,555.00 and 46,123.14 is: 63,642.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,121.23 : 110,555.00 = 46,123.14 : x
  2. Step 2: Convert to fraction form
    80,121.23/110,555.00 = 46,123.14/x
  3. Step 3: Cross multiply
    80,121.23x = 110,555.00 × 46,123.14
  4. Step 4: Simplify right side
    80,121.23x = 5,099,143,512.08
  5. Step 5: Solve for x
    x = 5,099,143,512.08/80,121.23
  6. Step 6: Final answer
    x = 63,642.86

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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.