Finding the Fourth Proportional to 80,976.81, 121,465.21 and 41,508.75
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Solution
The fourth proportional to 80,976.81, 121,465.21 and 41,508.75 is: 62,263.12
Step by Step Solution
- Step 1: Write the proportion equation
80,976.81 : 121,465.21 = 41,508.75 : x - Step 2: Convert to fraction form
80,976.81/121,465.21 = 41,508.75/x - Step 3: Cross multiply
80,976.81x = 121,465.21 × 41,508.75 - Step 4: Simplify right side
80,976.81x = 5,041,868,835.70 - Step 5: Solve for x
x = 5,041,868,835.70/80,976.81 - Step 6: Final answer
x = 62,263.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.