Finding the Fourth Proportional to 88,986.76, 122,800.08 and 48,699.70
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Solution
The fourth proportional to 88,986.76, 122,800.08 and 48,699.70 is: 67,204.68
Step by Step Solution
- Step 1: Write the proportion equation
88,986.76 : 122,800.08 = 48,699.70 : x - Step 2: Convert to fraction form
88,986.76/122,800.08 = 48,699.70/x - Step 3: Cross multiply
88,986.76x = 122,800.08 × 48,699.70 - Step 4: Simplify right side
88,986.76x = 5,980,327,055.98 - Step 5: Solve for x
x = 5,980,327,055.98/88,986.76 - Step 6: Final answer
x = 67,204.68
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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.