Finding the Fourth Proportional to 88,432.63, 122,036.28 and 48,146.29
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Solution
The fourth proportional to 88,432.63, 122,036.28 and 48,146.29 is: 66,441.47
Step by Step Solution
- Step 1: Write the proportion equation
88,432.63 : 122,036.28 = 48,146.29 : x - Step 2: Convert to fraction form
88,432.63/122,036.28 = 48,146.29/x - Step 3: Cross multiply
88,432.63x = 122,036.28 × 48,146.29 - Step 4: Simplify right side
88,432.63x = 5,875,594,127.40 - Step 5: Solve for x
x = 5,875,594,127.40/88,432.63 - Step 6: Final answer
x = 66,441.47
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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.