Finding the Fourth Proportional to 84,026.80, 115,953.96 and 46,301.20
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Solution
The fourth proportional to 84,026.80, 115,953.96 and 46,301.20 is: 63,893.99
Step by Step Solution
- Step 1: Write the proportion equation
84,026.80 : 115,953.96 = 46,301.20 : x - Step 2: Convert to fraction form
84,026.80/115,953.96 = 46,301.20/x - Step 3: Cross multiply
84,026.80x = 115,953.96 × 46,301.20 - Step 4: Simplify right side
84,026.80x = 5,368,807,492.75 - Step 5: Solve for x
x = 5,368,807,492.75/84,026.80 - Step 6: Final answer
x = 63,893.99
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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.