Finding the Fourth Proportional to 76,192.74, 114,307.35 and 31,794.79
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Solution
The fourth proportional to 76,192.74, 114,307.35 and 31,794.79 is: 47,699.80
Step by Step Solution
- Step 1: Write the proportion equation
76,192.74 : 114,307.35 = 31,794.79 : x - Step 2: Convert to fraction form
76,192.74/114,307.35 = 31,794.79/x - Step 3: Cross multiply
76,192.74x = 114,307.35 × 31,794.79 - Step 4: Simplify right side
76,192.74x = 3,634,378,188.71 - Step 5: Solve for x
x = 3,634,378,188.71/76,192.74 - Step 6: Final answer
x = 47,699.80
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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.