Finding the Fourth Proportional to 88,715.84, 122,430.82 and 48,432.02
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Solution
The fourth proportional to 88,715.84, 122,430.82 and 48,432.02 is: 66,837.80
Step by Step Solution
- Step 1: Write the proportion equation
88,715.84 : 122,430.82 = 48,432.02 : x - Step 2: Convert to fraction form
88,715.84/122,430.82 = 48,432.02/x - Step 3: Cross multiply
88,715.84x = 122,430.82 × 48,432.02 - Step 4: Simplify right side
88,715.84x = 5,929,571,922.86 - Step 5: Solve for x
x = 5,929,571,922.86/88,715.84 - Step 6: Final answer
x = 66,837.80
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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.