Finding the Fourth Proportional to 77,246.36, 115,733.26 and 67,651.62
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Solution
The fourth proportional to 77,246.36, 115,733.26 and 67,651.62 is: 101,358.08
Step by Step Solution
- Step 1: Write the proportion equation
77,246.36 : 115,733.26 = 67,651.62 : x - Step 2: Convert to fraction form
77,246.36/115,733.26 = 67,651.62/x - Step 3: Cross multiply
77,246.36x = 115,733.26 × 67,651.62 - Step 4: Simplify right side
77,246.36x = 7,829,542,526.88 - Step 5: Solve for x
x = 7,829,542,526.88/77,246.36 - Step 6: Final answer
x = 101,358.08
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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.