Finding the Fourth Proportional to 88,855.18, 133,289.65 and 29,691.06
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Solution
The fourth proportional to 88,855.18, 133,289.65 and 29,691.06 is: 44,538.88
Step by Step Solution
- Step 1: Write the proportion equation
88,855.18 : 133,289.65 = 29,691.06 : x - Step 2: Convert to fraction form
88,855.18/133,289.65 = 29,691.06/x - Step 3: Cross multiply
88,855.18x = 133,289.65 × 29,691.06 - Step 4: Simplify right side
88,855.18x = 3,957,510,329.08 - Step 5: Solve for x
x = 3,957,510,329.08/88,855.18 - Step 6: Final answer
x = 44,538.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.