Finding the Fourth Proportional to 86,453.68, 119,305.20 and 48,740.08
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Solution
The fourth proportional to 86,453.68, 119,305.20 and 48,740.08 is: 67,260.82
Step by Step Solution
- Step 1: Write the proportion equation
86,453.68 : 119,305.20 = 48,740.08 : x - Step 2: Convert to fraction form
86,453.68/119,305.20 = 48,740.08/x - Step 3: Cross multiply
86,453.68x = 119,305.20 × 48,740.08 - Step 4: Simplify right side
86,453.68x = 5,814,944,992.42 - Step 5: Solve for x
x = 5,814,944,992.42/86,453.68 - Step 6: Final answer
x = 67,260.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.