Home / 73,121.07-100,855.76-50,469.15

Finding the Fourth Proportional to 73,121.07, 100,855.76 and 50,469.15

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Solution

The fourth proportional to 73,121.07, 100,855.76 and 50,469.15 is: 69,612.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,121.07 : 100,855.76 = 50,469.15 : x
  2. Step 2: Convert to fraction form
    73,121.07/100,855.76 = 50,469.15/x
  3. Step 3: Cross multiply
    73,121.07x = 100,855.76 × 50,469.15
  4. Step 4: Simplify right side
    73,121.07x = 5,090,104,227.46
  5. Step 5: Solve for x
    x = 5,090,104,227.46/73,121.07
  6. Step 6: Final answer
    x = 69,612.00

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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.