Home / 79,986.69-120,003.93-23,828.76

Finding the Fourth Proportional to 79,986.69, 120,003.93 and 23,828.76

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Solution

The fourth proportional to 79,986.69, 120,003.93 and 23,828.76 is: 35,750.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,986.69 : 120,003.93 = 23,828.76 : x
  2. Step 2: Convert to fraction form
    79,986.69/120,003.93 = 23,828.76/x
  3. Step 3: Cross multiply
    79,986.69x = 120,003.93 × 23,828.76
  4. Step 4: Simplify right side
    79,986.69x = 2,859,544,847.03
  5. Step 5: Solve for x
    x = 2,859,544,847.03/79,986.69
  6. Step 6: Final answer
    x = 35,750.26

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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.