Home / 74,920.43-112,380.33-35,505.23

Finding the Fourth Proportional to 74,920.43, 112,380.33 and 35,505.23

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Solution

The fourth proportional to 74,920.43, 112,380.33 and 35,505.23 is: 53,257.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,920.43 : 112,380.33 = 35,505.23 : x
  2. Step 2: Convert to fraction form
    74,920.43/112,380.33 = 35,505.23/x
  3. Step 3: Cross multiply
    74,920.43x = 112,380.33 × 35,505.23
  4. Step 4: Simplify right side
    74,920.43x = 3,990,088,902.22
  5. Step 5: Solve for x
    x = 3,990,088,902.22/74,920.43
  6. Step 6: Final answer
    x = 53,257.69

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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.