Home / 79,012.87-118,516.14-43,544.50

Finding the Fourth Proportional to 79,012.87, 118,516.14 and 43,544.50

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Solution

The fourth proportional to 79,012.87, 118,516.14 and 43,544.50 is: 65,315.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,012.87 : 118,516.14 = 43,544.50 : x
  2. Step 2: Convert to fraction form
    79,012.87/118,516.14 = 43,544.50/x
  3. Step 3: Cross multiply
    79,012.87x = 118,516.14 × 43,544.50
  4. Step 4: Simplify right side
    79,012.87x = 5,160,725,761.94
  5. Step 5: Solve for x
    x = 5,160,725,761.94/79,012.87
  6. Step 6: Final answer
    x = 65,315.00

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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.