Finding the Fourth Proportional to 88,785.78, 122,519.67 and 48,498.96
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Solution
The fourth proportional to 88,785.78, 122,519.67 and 48,498.96 is: 66,925.99
Step by Step Solution
- Step 1: Write the proportion equation
88,785.78 : 122,519.67 = 48,498.96 : x - Step 2: Convert to fraction form
88,785.78/122,519.67 = 48,498.96/x - Step 3: Cross multiply
88,785.78x = 122,519.67 × 48,498.96 - Step 4: Simplify right side
88,785.78x = 5,942,076,574.54 - Step 5: Solve for x
x = 5,942,076,574.54/88,785.78 - Step 6: Final answer
x = 66,925.99
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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.