Home / 49,780.60-74,622.30-44,531.80

Finding the Fourth Proportional to 49,780.60, 74,622.30 and 44,531.80

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Solution

The fourth proportional to 49,780.60, 74,622.30 and 44,531.80 is: 66,754.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,780.60 : 74,622.30 = 44,531.80 : x
  2. Step 2: Convert to fraction form
    49,780.60/74,622.30 = 44,531.80/x
  3. Step 3: Cross multiply
    49,780.60x = 74,622.30 × 44,531.80
  4. Step 4: Simplify right side
    49,780.60x = 3,323,065,339.14
  5. Step 5: Solve for x
    x = 3,323,065,339.14/49,780.60
  6. Step 6: Final answer
    x = 66,754.22

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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.