Finding the Fourth Proportional to 86,485.14, 119,344.86 and 48,756.96
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Solution
The fourth proportional to 86,485.14, 119,344.86 and 48,756.96 is: 67,281.99
Step by Step Solution
- Step 1: Write the proportion equation
86,485.14 : 119,344.86 = 48,756.96 : x - Step 2: Convert to fraction form
86,485.14/119,344.86 = 48,756.96/x - Step 3: Cross multiply
86,485.14x = 119,344.86 × 48,756.96 - Step 4: Simplify right side
86,485.14x = 5,818,892,565.23 - Step 5: Solve for x
x = 5,818,892,565.23/86,485.14 - Step 6: Final answer
x = 67,281.99
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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.