Finding the Fourth Proportional to 76,226.23, 105,228.77 and 53,584.63
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Solution
The fourth proportional to 76,226.23, 105,228.77 and 53,584.63 is: 73,972.50
Step by Step Solution
- Step 1: Write the proportion equation
76,226.23 : 105,228.77 = 53,584.63 : x - Step 2: Convert to fraction form
76,226.23/105,228.77 = 53,584.63/x - Step 3: Cross multiply
76,226.23x = 105,228.77 × 53,584.63 - Step 4: Simplify right side
76,226.23x = 5,638,644,705.81 - Step 5: Solve for x
x = 5,638,644,705.81/76,226.23 - Step 6: Final answer
x = 73,972.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.