Finding the Fourth Proportional to 88,335.98, 121,905.22 and 48,050.62
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Solution
The fourth proportional to 88,335.98, 121,905.22 and 48,050.62 is: 66,310.71
Step by Step Solution
- Step 1: Write the proportion equation
88,335.98 : 121,905.22 = 48,050.62 : x - Step 2: Convert to fraction form
88,335.98/121,905.22 = 48,050.62/x - Step 3: Cross multiply
88,335.98x = 121,905.22 × 48,050.62 - Step 4: Simplify right side
88,335.98x = 5,857,621,402.24 - Step 5: Solve for x
x = 5,857,621,402.24/88,335.98 - Step 6: Final answer
x = 66,310.71
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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.