Home / 79,299.05-118,973.26-25,991.50

Finding the Fourth Proportional to 79,299.05, 118,973.26 and 25,991.50

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Solution

The fourth proportional to 79,299.05, 118,973.26 and 25,991.50 is: 38,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,299.05 : 118,973.26 = 25,991.50 : x
  2. Step 2: Convert to fraction form
    79,299.05/118,973.26 = 25,991.50/x
  3. Step 3: Cross multiply
    79,299.05x = 118,973.26 × 25,991.50
  4. Step 4: Simplify right side
    79,299.05x = 3,092,293,173.74
  5. Step 5: Solve for x
    x = 3,092,293,173.74/79,299.05
  6. Step 6: Final answer
    x = 38,995.34

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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.