Finding the Fourth Proportional to 74,511.60, 111,794.98 and 27,130.44
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Solution
The fourth proportional to 74,511.60, 111,794.98 and 27,130.44 is: 40,705.70
Step by Step Solution
- Step 1: Write the proportion equation
74,511.60 : 111,794.98 = 27,130.44 : x - Step 2: Convert to fraction form
74,511.60/111,794.98 = 27,130.44/x - Step 3: Cross multiply
74,511.60x = 111,794.98 × 27,130.44 - Step 4: Simplify right side
74,511.60x = 3,033,046,997.19 - Step 5: Solve for x
x = 3,033,046,997.19/74,511.60 - Step 6: Final answer
x = 40,705.70
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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.