Finding the Fourth Proportional to 83,917.68, 115,805.52 and 46,191.12
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Solution
The fourth proportional to 83,917.68, 115,805.52 and 46,191.12 is: 63,743.26
Step by Step Solution
- Step 1: Write the proportion equation
83,917.68 : 115,805.52 = 46,191.12 : x - Step 2: Convert to fraction form
83,917.68/115,805.52 = 46,191.12/x - Step 3: Cross multiply
83,917.68x = 115,805.52 × 46,191.12 - Step 4: Simplify right side
83,917.68x = 5,349,186,670.98 - Step 5: Solve for x
x = 5,349,186,670.98/83,917.68 - Step 6: Final answer
x = 63,743.26
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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.