Home / 100,077.03-150,074.01-36,900.75

Finding the Fourth Proportional to 100,077.03, 150,074.01 and 36,900.75

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Solution

The fourth proportional to 100,077.03, 150,074.01 and 36,900.75 is: 55,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,077.03 : 150,074.01 = 36,900.75 : x
  2. Step 2: Convert to fraction form
    100,077.03/150,074.01 = 36,900.75/x
  3. Step 3: Cross multiply
    100,077.03x = 150,074.01 × 36,900.75
  4. Step 4: Simplify right side
    100,077.03x = 5,537,843,524.51
  5. Step 5: Solve for x
    x = 5,537,843,524.51/100,077.03
  6. Step 6: Final answer
    x = 55,335.81

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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.