Finding the Fourth Proportional to 86,126.76, 118,854.18 and 48,400.92
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Solution
The fourth proportional to 86,126.76, 118,854.18 and 48,400.92 is: 66,792.85
Step by Step Solution
- Step 1: Write the proportion equation
86,126.76 : 118,854.18 = 48,400.92 : x - Step 2: Convert to fraction form
86,126.76/118,854.18 = 48,400.92/x - Step 3: Cross multiply
86,126.76x = 118,854.18 × 48,400.92 - Step 4: Simplify right side
86,126.76x = 5,752,651,657.85 - Step 5: Solve for x
x = 5,752,651,657.85/86,126.76 - Step 6: Final answer
x = 66,792.85
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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.