Finding the Fourth Proportional to 77,045.18, 115,586.46 and 24,455.12
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Solution
The fourth proportional to 77,045.18, 115,586.46 and 24,455.12 is: 36,688.61
Step by Step Solution
- Step 1: Write the proportion equation
77,045.18 : 115,586.46 = 24,455.12 : x - Step 2: Convert to fraction form
77,045.18/115,586.46 = 24,455.12/x - Step 3: Cross multiply
77,045.18x = 115,586.46 × 24,455.12 - Step 4: Simplify right side
77,045.18x = 2,826,680,171.74 - Step 5: Solve for x
x = 2,826,680,171.74/77,045.18 - Step 6: Final answer
x = 36,688.61
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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.