Finding the Fourth Proportional to 88,201.02, 121,718.25 and 47,915.09
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Solution
The fourth proportional to 88,201.02, 121,718.25 and 47,915.09 is: 66,123.27
Step by Step Solution
- Step 1: Write the proportion equation
88,201.02 : 121,718.25 = 47,915.09 : x - Step 2: Convert to fraction form
88,201.02/121,718.25 = 47,915.09/x - Step 3: Cross multiply
88,201.02x = 121,718.25 × 47,915.09 - Step 4: Simplify right side
88,201.02x = 5,832,140,294.80 - Step 5: Solve for x
x = 5,832,140,294.80/88,201.02 - Step 6: Final answer
x = 66,123.27
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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.