Finding the Fourth Proportional to 87,844.24, 131,718.96 and 45,620.15
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Solution
The fourth proportional to 87,844.24, 131,718.96 and 45,620.15 is: 68,405.61
Step by Step Solution
- Step 1: Write the proportion equation
87,844.24 : 131,718.96 = 45,620.15 : x - Step 2: Convert to fraction form
87,844.24/131,718.96 = 45,620.15/x - Step 3: Cross multiply
87,844.24x = 131,718.96 × 45,620.15 - Step 4: Simplify right side
87,844.24x = 6,009,038,713.04 - Step 5: Solve for x
x = 6,009,038,713.04/87,844.24 - Step 6: Final answer
x = 68,405.61
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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.