Finding the Fourth Proportional to 91,658.08, 126,475.32 and 51,368.68
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Solution
The fourth proportional to 91,658.08, 126,475.32 and 51,368.68 is: 70,881.59
Step by Step Solution
- Step 1: Write the proportion equation
91,658.08 : 126,475.32 = 51,368.68 : x - Step 2: Convert to fraction form
91,658.08/126,475.32 = 51,368.68/x - Step 3: Cross multiply
91,658.08x = 126,475.32 × 51,368.68 - Step 4: Simplify right side
91,658.08x = 6,496,870,240.98 - Step 5: Solve for x
x = 6,496,870,240.98/91,658.08 - Step 6: Final answer
x = 70,881.59
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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.