Finding the Fourth Proportional to 84,011.49, 115,934.96 and 48,207.14
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Solution
The fourth proportional to 84,011.49, 115,934.96 and 48,207.14 is: 66,525.33
Step by Step Solution
- Step 1: Write the proportion equation
84,011.49 : 115,934.96 = 48,207.14 : x - Step 2: Convert to fraction form
84,011.49/115,934.96 = 48,207.14/x - Step 3: Cross multiply
84,011.49x = 115,934.96 × 48,207.14 - Step 4: Simplify right side
84,011.49x = 5,588,892,026.90 - Step 5: Solve for x
x = 5,588,892,026.90/84,011.49 - Step 6: Final answer
x = 66,525.33
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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.