Home / 74,782.92-112,195.57-30,441.49

Finding the Fourth Proportional to 74,782.92, 112,195.57 and 30,441.49

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Solution

The fourth proportional to 74,782.92, 112,195.57 and 30,441.49 is: 45,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,782.92 : 112,195.57 = 30,441.49 : x
  2. Step 2: Convert to fraction form
    74,782.92/112,195.57 = 30,441.49/x
  3. Step 3: Cross multiply
    74,782.92x = 112,195.57 × 30,441.49
  4. Step 4: Simplify right side
    74,782.92x = 3,415,400,322.20
  5. Step 5: Solve for x
    x = 3,415,400,322.20/74,782.92
  6. Step 6: Final answer
    x = 45,670.86

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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.