Home / 74,586.58-111,880.17-30,214.18

Finding the Fourth Proportional to 74,586.58, 111,880.17 and 30,214.18

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Solution

The fourth proportional to 74,586.58, 111,880.17 and 30,214.18 is: 45,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,586.58 : 111,880.17 = 30,214.18 : x
  2. Step 2: Convert to fraction form
    74,586.58/111,880.17 = 30,214.18/x
  3. Step 3: Cross multiply
    74,586.58x = 111,880.17 × 30,214.18
  4. Step 4: Simplify right side
    74,586.58x = 3,380,367,594.81
  5. Step 5: Solve for x
    x = 3,380,367,594.81/74,586.58
  6. Step 6: Final answer
    x = 45,321.39

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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.