Finding the Fourth Proportional to 69,519.36, 104,257.60 and 25,140.80
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Solution
The fourth proportional to 69,519.36, 104,257.60 and 25,140.80 is: 37,703.45
Step by Step Solution
- Step 1: Write the proportion equation
69,519.36 : 104,257.60 = 25,140.80 : x - Step 2: Convert to fraction form
69,519.36/104,257.60 = 25,140.80/x - Step 3: Cross multiply
69,519.36x = 104,257.60 × 25,140.80 - Step 4: Simplify right side
69,519.36x = 2,621,119,470.08 - Step 5: Solve for x
x = 2,621,119,470.08/69,519.36 - Step 6: Final answer
x = 37,703.45
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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.