Home / 74,494.41-111,741.33-30,120.63

Finding the Fourth Proportional to 74,494.41, 111,741.33 and 30,120.63

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Solution

The fourth proportional to 74,494.41, 111,741.33 and 30,120.63 is: 45,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,494.41 : 111,741.33 = 30,120.63 : x
  2. Step 2: Convert to fraction form
    74,494.41/111,741.33 = 30,120.63/x
  3. Step 3: Cross multiply
    74,494.41x = 111,741.33 × 30,120.63
  4. Step 4: Simplify right side
    74,494.41x = 3,365,719,256.64
  5. Step 5: Solve for x
    x = 3,365,719,256.64/74,494.41
  6. Step 6: Final answer
    x = 45,180.83

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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.