Home / 79,039.28-118,558.92-29,100.98

Finding the Fourth Proportional to 79,039.28, 118,558.92 and 29,100.98

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Solution

The fourth proportional to 79,039.28, 118,558.92 and 29,100.98 is: 43,651.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,039.28 : 118,558.92 = 29,100.98 : x
  2. Step 2: Convert to fraction form
    79,039.28/118,558.92 = 29,100.98/x
  3. Step 3: Cross multiply
    79,039.28x = 118,558.92 × 29,100.98
  4. Step 4: Simplify right side
    79,039.28x = 3,450,180,759.74
  5. Step 5: Solve for x
    x = 3,450,180,759.74/79,039.28
  6. Step 6: Final answer
    x = 43,651.47

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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.