Finding the Fourth Proportional to 87,998.96, 121,440.14 and 47,714.08
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Solution
The fourth proportional to 87,998.96, 121,440.14 and 47,714.08 is: 65,846.28
Step by Step Solution
- Step 1: Write the proportion equation
87,998.96 : 121,440.14 = 47,714.08 : x - Step 2: Convert to fraction form
87,998.96/121,440.14 = 47,714.08/x - Step 3: Cross multiply
87,998.96x = 121,440.14 × 47,714.08 - Step 4: Simplify right side
87,998.96x = 5,794,404,555.17 - Step 5: Solve for x
x = 5,794,404,555.17/87,998.96 - Step 6: Final answer
x = 65,846.28
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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.