Finding the Fourth Proportional to 88,972.88, 122,785.54 and 48,685.77
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Solution
The fourth proportional to 88,972.88, 122,785.54 and 48,685.77 is: 67,187.99
Step by Step Solution
- Step 1: Write the proportion equation
88,972.88 : 122,785.54 = 48,685.77 : x - Step 2: Convert to fraction form
88,972.88/122,785.54 = 48,685.77/x - Step 3: Cross multiply
88,972.88x = 122,785.54 × 48,685.77 - Step 4: Simplify right side
88,972.88x = 5,977,908,438.05 - Step 5: Solve for x
x = 5,977,908,438.05/88,972.88 - Step 6: Final answer
x = 67,187.99
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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.