Finding the Fourth Proportional to 84,159.88, 116,140.57 and 46,434.13
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Solution
The fourth proportional to 84,159.88, 116,140.57 and 46,434.13 is: 64,079.06
Step by Step Solution
- Step 1: Write the proportion equation
84,159.88 : 116,140.57 = 46,434.13 : x - Step 2: Convert to fraction form
84,159.88/116,140.57 = 46,434.13/x - Step 3: Cross multiply
84,159.88x = 116,140.57 × 46,434.13 - Step 4: Simplify right side
84,159.88x = 5,392,885,919.22 - Step 5: Solve for x
x = 5,392,885,919.22/84,159.88 - Step 6: Final answer
x = 64,079.06
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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.