Finding the Fourth Proportional to 84,890.99, 117,159.68 and 50,918.18
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Solution
The fourth proportional to 84,890.99, 117,159.68 and 50,918.18 is: 70,273.15
Step by Step Solution
- Step 1: Write the proportion equation
84,890.99 : 117,159.68 = 50,918.18 : x - Step 2: Convert to fraction form
84,890.99/117,159.68 = 50,918.18/x - Step 3: Cross multiply
84,890.99x = 117,159.68 × 50,918.18 - Step 4: Simplify right side
84,890.99x = 5,965,557,216.48 - Step 5: Solve for x
x = 5,965,557,216.48/84,890.99 - Step 6: Final answer
x = 70,273.15
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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.