Finding the Fourth Proportional to 88,985.79, 122,799.24 and 48,698.82
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Solution
The fourth proportional to 88,985.79, 122,799.24 and 48,698.82 is: 67,203.74
Step by Step Solution
- Step 1: Write the proportion equation
88,985.79 : 122,799.24 = 48,698.82 : x - Step 2: Convert to fraction form
88,985.79/122,799.24 = 48,698.82/x - Step 3: Cross multiply
88,985.79x = 122,799.24 × 48,698.82 - Step 4: Simplify right side
88,985.79x = 5,980,178,084.90 - Step 5: Solve for x
x = 5,980,178,084.90/88,985.79 - Step 6: Final answer
x = 67,203.74
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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.