Finding the Fourth Proportional to 98,517.24, 135,959.04 and 56,089.44
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Solution
The fourth proportional to 98,517.24, 135,959.04 and 56,089.44 is: 77,406.42
Step by Step Solution
- Step 1: Write the proportion equation
98,517.24 : 135,959.04 = 56,089.44 : x - Step 2: Convert to fraction form
98,517.24/135,959.04 = 56,089.44/x - Step 3: Cross multiply
98,517.24x = 135,959.04 × 56,089.44 - Step 4: Simplify right side
98,517.24x = 7,625,866,416.54 - Step 5: Solve for x
x = 7,625,866,416.54/98,517.24 - Step 6: Final answer
x = 77,406.42
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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.