Finding the Fourth Proportional to 88,089.36, 121,563.39 and 49,848.09
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Solution
The fourth proportional to 88,089.36, 121,563.39 and 49,848.09 is: 68,790.41
Step by Step Solution
- Step 1: Write the proportion equation
88,089.36 : 121,563.39 = 49,848.09 : x - Step 2: Convert to fraction form
88,089.36/121,563.39 = 49,848.09/x - Step 3: Cross multiply
88,089.36x = 121,563.39 × 49,848.09 - Step 4: Simplify right side
88,089.36x = 6,059,702,805.43 - Step 5: Solve for x
x = 6,059,702,805.43/88,089.36 - Step 6: Final answer
x = 68,790.41
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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.