Finding the Fourth Proportional to 78,874.96, 108,856.99 and 44,891.71
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Solution
The fourth proportional to 78,874.96, 108,856.99 and 44,891.71 is: 61,955.99
Step by Step Solution
- Step 1: Write the proportion equation
78,874.96 : 108,856.99 = 44,891.71 : x - Step 2: Convert to fraction form
78,874.96/108,856.99 = 44,891.71/x - Step 3: Cross multiply
78,874.96x = 108,856.99 × 44,891.71 - Step 4: Simplify right side
78,874.96x = 4,886,776,426.55 - Step 5: Solve for x
x = 4,886,776,426.55/78,874.96 - Step 6: Final answer
x = 61,955.99
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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.