Home / 79,990.46-120,005.44-23,830.36

Finding the Fourth Proportional to 79,990.46, 120,005.44 and 23,830.36

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Solution

The fourth proportional to 79,990.46, 120,005.44 and 23,830.36 is: 35,751.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,990.46 : 120,005.44 = 23,830.36 : x
  2. Step 2: Convert to fraction form
    79,990.46/120,005.44 = 23,830.36/x
  3. Step 3: Cross multiply
    79,990.46x = 120,005.44 × 23,830.36
  4. Step 4: Simplify right side
    79,990.46x = 2,859,772,477.57
  5. Step 5: Solve for x
    x = 2,859,772,477.57/79,990.46
  6. Step 6: Final answer
    x = 35,751.42

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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.