Finding the Fourth Proportional to 93,900.36, 129,585.82 and 51,458.90
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Solution
The fourth proportional to 93,900.36, 129,585.82 and 51,458.90 is: 71,015.09
Step by Step Solution
- Step 1: Write the proportion equation
93,900.36 : 129,585.82 = 51,458.90 : x - Step 2: Convert to fraction form
93,900.36/129,585.82 = 51,458.90/x - Step 3: Cross multiply
93,900.36x = 129,585.82 × 51,458.90 - Step 4: Simplify right side
93,900.36x = 6,668,342,976.22 - Step 5: Solve for x
x = 6,668,342,976.22/93,900.36 - Step 6: Final answer
x = 71,015.09
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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.