Finding the Fourth Proportional to 83,467.68, 115,191.64 and 51,655.08
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Solution
The fourth proportional to 83,467.68, 115,191.64 and 51,655.08 is: 71,287.87
Step by Step Solution
- Step 1: Write the proportion equation
83,467.68 : 115,191.64 = 51,655.08 : x - Step 2: Convert to fraction form
83,467.68/115,191.64 = 51,655.08/x - Step 3: Cross multiply
83,467.68x = 115,191.64 × 51,655.08 - Step 4: Simplify right side
83,467.68x = 5,950,233,379.53 - Step 5: Solve for x
x = 5,950,233,379.53/83,467.68 - Step 6: Final answer
x = 71,287.87
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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.