Finding the Fourth Proportional to 83,961.44, 115,669.68 and 58,423.94
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Solution
The fourth proportional to 83,961.44, 115,669.68 and 58,423.94 is: 80,487.88
Step by Step Solution
- Step 1: Write the proportion equation
83,961.44 : 115,669.68 = 58,423.94 : x - Step 2: Convert to fraction form
83,961.44/115,669.68 = 58,423.94/x - Step 3: Cross multiply
83,961.44x = 115,669.68 × 58,423.94 - Step 4: Simplify right side
83,961.44x = 6,757,878,444.14 - Step 5: Solve for x
x = 6,757,878,444.14/83,961.44 - Step 6: Final answer
x = 80,487.88
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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.