Finding the Fourth Proportional to 88,323.73, 121,885.54 and 48,036.62
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Solution
The fourth proportional to 88,323.73, 121,885.54 and 48,036.62 is: 66,289.88
Step by Step Solution
- Step 1: Write the proportion equation
88,323.73 : 121,885.54 = 48,036.62 : x - Step 2: Convert to fraction form
88,323.73/121,885.54 = 48,036.62/x - Step 3: Cross multiply
88,323.73x = 121,885.54 × 48,036.62 - Step 4: Simplify right side
88,323.73x = 5,854,969,553.10 - Step 5: Solve for x
x = 5,854,969,553.10/88,323.73 - Step 6: Final answer
x = 66,289.88
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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.