Finding the Fourth Proportional to 91,150.05, 136,773.08 and 46,776.81
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Solution
The fourth proportional to 91,150.05, 136,773.08 and 46,776.81 is: 70,189.85
Step by Step Solution
- Step 1: Write the proportion equation
91,150.05 : 136,773.08 = 46,776.81 : x - Step 2: Convert to fraction form
91,150.05/136,773.08 = 46,776.81/x - Step 3: Cross multiply
91,150.05x = 136,773.08 × 46,776.81 - Step 4: Simplify right side
91,150.05x = 6,397,808,376.27 - Step 5: Solve for x
x = 6,397,808,376.27/91,150.05 - Step 6: Final answer
x = 70,189.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.