Finding the Fourth Proportional to 88,994.76, 122,812.68 and 48,708.48
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Solution
The fourth proportional to 88,994.76, 122,812.68 and 48,708.48 is: 67,217.65
Step by Step Solution
- Step 1: Write the proportion equation
88,994.76 : 122,812.68 = 48,708.48 : x - Step 2: Convert to fraction form
88,994.76/122,812.68 = 48,708.48/x - Step 3: Cross multiply
88,994.76x = 122,812.68 × 48,708.48 - Step 4: Simplify right side
88,994.76x = 5,982,018,967.53 - Step 5: Solve for x
x = 5,982,018,967.53/88,994.76 - Step 6: Final answer
x = 67,217.65
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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.