Finding the Fourth Proportional to 79,901.75, 110,270.65 and 45,922.10
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Solution
The fourth proportional to 79,901.75, 110,270.65 and 45,922.10 is: 63,376.07
Step by Step Solution
- Step 1: Write the proportion equation
79,901.75 : 110,270.65 = 45,922.10 : x - Step 2: Convert to fraction form
79,901.75/110,270.65 = 45,922.10/x - Step 3: Cross multiply
79,901.75x = 110,270.65 × 45,922.10 - Step 4: Simplify right side
79,901.75x = 5,063,859,150.21 - Step 5: Solve for x
x = 5,063,859,150.21/79,901.75 - Step 6: Final answer
x = 63,376.07
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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.