Finding the Fourth Proportional to 88,821.24, 122,569.44 and 48,533.10
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Solution
The fourth proportional to 88,821.24, 122,569.44 and 48,533.10 is: 66,973.56
Step by Step Solution
- Step 1: Write the proportion equation
88,821.24 : 122,569.44 = 48,533.10 : x - Step 2: Convert to fraction form
88,821.24/122,569.44 = 48,533.10/x - Step 3: Cross multiply
88,821.24x = 122,569.44 × 48,533.10 - Step 4: Simplify right side
88,821.24x = 5,948,674,888.46 - Step 5: Solve for x
x = 5,948,674,888.46/88,821.24 - Step 6: Final answer
x = 66,973.56
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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.