Home / 100,430.04-150,550.80-33,823.56

Finding the Fourth Proportional to 100,430.04, 150,550.80 and 33,823.56

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Solution

The fourth proportional to 100,430.04, 150,550.80 and 33,823.56 is: 50,703.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,430.04 : 150,550.80 = 33,823.56 : x
  2. Step 2: Convert to fraction form
    100,430.04/150,550.80 = 33,823.56/x
  3. Step 3: Cross multiply
    100,430.04x = 150,550.80 × 33,823.56
  4. Step 4: Simplify right side
    100,430.04x = 5,092,164,016.85
  5. Step 5: Solve for x
    x = 5,092,164,016.85/100,430.04
  6. Step 6: Final answer
    x = 50,703.59

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1.5x scale

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.