Finding the Fourth Proportional to 88,623.72, 122,293.80 and 48,335.13
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Solution
The fourth proportional to 88,623.72, 122,293.80 and 48,335.13 is: 66,698.70
Step by Step Solution
- Step 1: Write the proportion equation
88,623.72 : 122,293.80 = 48,335.13 : x - Step 2: Convert to fraction form
88,623.72/122,293.80 = 48,335.13/x - Step 3: Cross multiply
88,623.72x = 122,293.80 × 48,335.13 - Step 4: Simplify right side
88,623.72x = 5,911,086,721.19 - Step 5: Solve for x
x = 5,911,086,721.19/88,623.72 - Step 6: Final answer
x = 66,698.70
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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.