Finding the Fourth Proportional to 88,363.96, 121,938.62 and 48,077.88
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Solution
The fourth proportional to 88,363.96, 121,938.62 and 48,077.88 is: 66,345.49
Step by Step Solution
- Step 1: Write the proportion equation
88,363.96 : 121,938.62 = 48,077.88 : x - Step 2: Convert to fraction form
88,363.96/121,938.62 = 48,077.88/x - Step 3: Cross multiply
88,363.96x = 121,938.62 × 48,077.88 - Step 4: Simplify right side
88,363.96x = 5,862,550,339.73 - Step 5: Solve for x
x = 5,862,550,339.73/88,363.96 - Step 6: Final answer
x = 66,345.49
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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.