Finding the Fourth Proportional to 88,377.12, 121,957.97 and 48,089.95
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Solution
The fourth proportional to 88,377.12, 121,957.97 and 48,089.95 is: 66,362.79
Step by Step Solution
- Step 1: Write the proportion equation
88,377.12 : 121,957.97 = 48,089.95 : x - Step 2: Convert to fraction form
88,377.12/121,957.97 = 48,089.95/x - Step 3: Cross multiply
88,377.12x = 121,957.97 × 48,089.95 - Step 4: Simplify right side
88,377.12x = 5,864,952,494.73 - Step 5: Solve for x
x = 5,864,952,494.73/88,377.12 - Step 6: Final answer
x = 66,362.79
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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.