Finding the Fourth Proportional to 115,566.94, 159,479.32 and 64,580.09
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Solution
The fourth proportional to 115,566.94, 159,479.32 and 64,580.09 is: 89,118.82
Step by Step Solution
- Step 1: Write the proportion equation
115,566.94 : 159,479.32 = 64,580.09 : x - Step 2: Convert to fraction form
115,566.94/159,479.32 = 64,580.09/x - Step 3: Cross multiply
115,566.94x = 159,479.32 × 64,580.09 - Step 4: Simplify right side
115,566.94x = 10,299,188,838.74 - Step 5: Solve for x
x = 10,299,188,838.74/115,566.94 - Step 6: Final answer
x = 89,118.82
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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.