Finding the Fourth Proportional to 77,007.70, 115,605.15 and 48,927.70
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Solution
The fourth proportional to 77,007.70, 115,605.15 and 48,927.70 is: 73,451.02
Step by Step Solution
- Step 1: Write the proportion equation
77,007.70 : 115,605.15 = 48,927.70 : x - Step 2: Convert to fraction form
77,007.70/115,605.15 = 48,927.70/x - Step 3: Cross multiply
77,007.70x = 115,605.15 × 48,927.70 - Step 4: Simplify right side
77,007.70x = 5,656,294,097.66 - Step 5: Solve for x
x = 5,656,294,097.66/77,007.70 - Step 6: Final answer
x = 73,451.02
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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.