Home / 72,192.49-99,620.57-41,975.67

Finding the Fourth Proportional to 72,192.49, 99,620.57 and 41,975.67

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Solution

The fourth proportional to 72,192.49, 99,620.57 and 41,975.67 is: 57,923.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,192.49 : 99,620.57 = 41,975.67 : x
  2. Step 2: Convert to fraction form
    72,192.49/99,620.57 = 41,975.67/x
  3. Step 3: Cross multiply
    72,192.49x = 99,620.57 × 41,975.67
  4. Step 4: Simplify right side
    72,192.49x = 4,181,640,089.68
  5. Step 5: Solve for x
    x = 4,181,640,089.68/72,192.49
  6. Step 6: Final answer
    x = 57,923.48

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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.