Finding the Fourth Proportional to 88,938.67, 122,733.75 and 48,652.08
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Solution
The fourth proportional to 88,938.67, 122,733.75 and 48,652.08 is: 67,138.99
Step by Step Solution
- Step 1: Write the proportion equation
88,938.67 : 122,733.75 = 48,652.08 : x - Step 2: Convert to fraction form
88,938.67/122,733.75 = 48,652.08/x - Step 3: Cross multiply
88,938.67x = 122,733.75 × 48,652.08 - Step 4: Simplify right side
88,938.67x = 5,971,252,223.70 - Step 5: Solve for x
x = 5,971,252,223.70/88,938.67 - Step 6: Final answer
x = 67,138.99
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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.