Finding the Fourth Proportional to 88,743.24, 122,492.79 and 54,762.12
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Solution
The fourth proportional to 88,743.24, 122,492.79 and 54,762.12 is: 75,588.46
Step by Step Solution
- Step 1: Write the proportion equation
88,743.24 : 122,492.79 = 54,762.12 : x - Step 2: Convert to fraction form
88,743.24/122,492.79 = 54,762.12/x - Step 3: Cross multiply
88,743.24x = 122,492.79 × 54,762.12 - Step 4: Simplify right side
88,743.24x = 6,707,964,865.11 - Step 5: Solve for x
x = 6,707,964,865.11/88,743.24 - Step 6: Final answer
x = 75,588.46
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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.