Finding the Fourth Proportional to 79,752.13, 119,431.23 and 59,440.19
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Solution
The fourth proportional to 79,752.13, 119,431.23 and 59,440.19 is: 89,013.48
Step by Step Solution
- Step 1: Write the proportion equation
79,752.13 : 119,431.23 = 59,440.19 : x - Step 2: Convert to fraction form
79,752.13/119,431.23 = 59,440.19/x - Step 3: Cross multiply
79,752.13x = 119,431.23 × 59,440.19 - Step 4: Simplify right side
79,752.13x = 7,099,015,003.13 - Step 5: Solve for x
x = 7,099,015,003.13/79,752.13 - Step 6: Final answer
x = 89,013.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.