Finding the Fourth Proportional to 88,166.08, 121,668.80 and 47,879.52
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Solution
The fourth proportional to 88,166.08, 121,668.80 and 47,879.52 is: 66,073.53
Step by Step Solution
- Step 1: Write the proportion equation
88,166.08 : 121,668.80 = 47,879.52 : x - Step 2: Convert to fraction form
88,166.08/121,668.80 = 47,879.52/x - Step 3: Cross multiply
88,166.08x = 121,668.80 × 47,879.52 - Step 4: Simplify right side
88,166.08x = 5,825,443,742.98 - Step 5: Solve for x
x = 5,825,443,742.98/88,166.08 - Step 6: Final answer
x = 66,073.53
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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.