Finding the Fourth Proportional to 88,326.58, 121,889.49 and 48,039.49
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Solution
The fourth proportional to 88,326.58, 121,889.49 and 48,039.49 is: 66,293.85
Step by Step Solution
- Step 1: Write the proportion equation
88,326.58 : 121,889.49 = 48,039.49 : x - Step 2: Convert to fraction form
88,326.58/121,889.49 = 48,039.49/x - Step 3: Cross multiply
88,326.58x = 121,889.49 × 48,039.49 - Step 4: Simplify right side
88,326.58x = 5,855,508,935.96 - Step 5: Solve for x
x = 5,855,508,935.96/88,326.58 - Step 6: Final answer
x = 66,293.85
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1.5x scale
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.