Finding the Fourth Proportional to 86,366.68, 119,185.50 and 48,653.08
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Solution
The fourth proportional to 86,366.68, 119,185.50 and 48,653.08 is: 67,140.96
Step by Step Solution
- Step 1: Write the proportion equation
86,366.68 : 119,185.50 = 48,653.08 : x - Step 2: Convert to fraction form
86,366.68/119,185.50 = 48,653.08/x - Step 3: Cross multiply
86,366.68x = 119,185.50 × 48,653.08 - Step 4: Simplify right side
86,366.68x = 5,798,741,666.34 - Step 5: Solve for x
x = 5,798,741,666.34/86,366.68 - Step 6: Final answer
x = 67,140.96
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1.5x scale
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.