Home / 100,346.16-150,527.45-50,400.57

Finding the Fourth Proportional to 100,346.16, 150,527.45 and 50,400.57

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Solution

The fourth proportional to 100,346.16, 150,527.45 and 50,400.57 is: 75,604.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,346.16 : 150,527.45 = 50,400.57 : x
  2. Step 2: Convert to fraction form
    100,346.16/150,527.45 = 50,400.57/x
  3. Step 3: Cross multiply
    100,346.16x = 150,527.45 × 50,400.57
  4. Step 4: Simplify right side
    100,346.16x = 7,586,669,406.65
  5. Step 5: Solve for x
    x = 7,586,669,406.65/100,346.16
  6. Step 6: Final answer
    x = 75,604.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.