Finding the Fourth Proportional to 94,791.49, 130,813.15 and 53,953.62
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Solution
The fourth proportional to 94,791.49, 130,813.15 and 53,953.62 is: 74,456.50
Step by Step Solution
- Step 1: Write the proportion equation
94,791.49 : 130,813.15 = 53,953.62 : x - Step 2: Convert to fraction form
94,791.49/130,813.15 = 53,953.62/x - Step 3: Cross multiply
94,791.49x = 130,813.15 × 53,953.62 - Step 4: Simplify right side
94,791.49x = 7,057,842,986.10 - Step 5: Solve for x
x = 7,057,842,986.10/94,791.49 - Step 6: Final answer
x = 74,456.50
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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.