Finding the Fourth Proportional to 88,363.62, 121,943.04 and 48,077.41
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Solution
The fourth proportional to 88,363.62, 121,943.04 and 48,077.41 is: 66,347.50
Step by Step Solution
- Step 1: Write the proportion equation
88,363.62 : 121,943.04 = 48,077.41 : x - Step 2: Convert to fraction form
88,363.62/121,943.04 = 48,077.41/x - Step 3: Cross multiply
88,363.62x = 121,943.04 × 48,077.41 - Step 4: Simplify right side
88,363.62x = 5,862,705,530.73 - Step 5: Solve for x
x = 5,862,705,530.73/88,363.62 - Step 6: Final answer
x = 66,347.50
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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.