Finding the Fourth Proportional to 88,376.76, 121,959.95 and 48,090.68
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Solution
The fourth proportional to 88,376.76, 121,959.95 and 48,090.68 is: 66,365.15
Step by Step Solution
- Step 1: Write the proportion equation
88,376.76 : 121,959.95 = 48,090.68 : x - Step 2: Convert to fraction form
88,376.76/121,959.95 = 48,090.68/x - Step 3: Cross multiply
88,376.76x = 121,959.95 × 48,090.68 - Step 4: Simplify right side
88,376.76x = 5,865,136,928.27 - Step 5: Solve for x
x = 5,865,136,928.27/88,376.76 - Step 6: Final answer
x = 66,365.15
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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.