Home / 69,072.20-103,622.70-39,465.80

Finding the Fourth Proportional to 69,072.20, 103,622.70 and 39,465.80

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Solution

The fourth proportional to 69,072.20, 103,622.70 and 39,465.80 is: 59,206.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,072.20 : 103,622.70 = 39,465.80 : x
  2. Step 2: Convert to fraction form
    69,072.20/103,622.70 = 39,465.80/x
  3. Step 3: Cross multiply
    69,072.20x = 103,622.70 × 39,465.80
  4. Step 4: Simplify right side
    69,072.20x = 4,089,552,753.66
  5. Step 5: Solve for x
    x = 4,089,552,753.66/69,072.20
  6. Step 6: Final answer
    x = 59,206.93

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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.