Finding the Fourth Proportional to 88,691.80, 133,049.85 and 29,521.30
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Solution
The fourth proportional to 88,691.80, 133,049.85 and 29,521.30 is: 44,285.99
Step by Step Solution
- Step 1: Write the proportion equation
88,691.80 : 133,049.85 = 29,521.30 : x - Step 2: Convert to fraction form
88,691.80/133,049.85 = 29,521.30/x - Step 3: Cross multiply
88,691.80x = 133,049.85 × 29,521.30 - Step 4: Simplify right side
88,691.80x = 3,927,804,536.81 - Step 5: Solve for x
x = 3,927,804,536.81/88,691.80 - Step 6: Final answer
x = 44,285.99
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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.