Home / 74,793.09-112,120.38-39,247.05

Finding the Fourth Proportional to 74,793.09, 112,120.38 and 39,247.05

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Solution

The fourth proportional to 74,793.09, 112,120.38 and 39,247.05 is: 58,834.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,793.09 : 112,120.38 = 39,247.05 : x
  2. Step 2: Convert to fraction form
    74,793.09/112,120.38 = 39,247.05/x
  3. Step 3: Cross multiply
    74,793.09x = 112,120.38 × 39,247.05
  4. Step 4: Simplify right side
    74,793.09x = 4,400,394,159.88
  5. Step 5: Solve for x
    x = 4,400,394,159.88/74,793.09
  6. Step 6: Final answer
    x = 58,834.23

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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.