Home / 74,464.20-111,782.70-44,915.40

Finding the Fourth Proportional to 74,464.20, 111,782.70 and 44,915.40

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Solution

The fourth proportional to 74,464.20, 111,782.70 and 44,915.40 is: 67,425.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,464.20 : 111,782.70 = 44,915.40 : x
  2. Step 2: Convert to fraction form
    74,464.20/111,782.70 = 44,915.40/x
  3. Step 3: Cross multiply
    74,464.20x = 111,782.70 × 44,915.40
  4. Step 4: Simplify right side
    74,464.20x = 5,020,764,683.58
  5. Step 5: Solve for x
    x = 5,020,764,683.58/74,464.20
  6. Step 6: Final answer
    x = 67,425.21

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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.