Finding the Fourth Proportional to 88,159.48, 121,660.09 and 47,873.25
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Solution
The fourth proportional to 88,159.48, 121,660.09 and 47,873.25 is: 66,065.09
Step by Step Solution
- Step 1: Write the proportion equation
88,159.48 : 121,660.09 = 47,873.25 : x - Step 2: Convert to fraction form
88,159.48/121,660.09 = 47,873.25/x - Step 3: Cross multiply
88,159.48x = 121,660.09 × 47,873.25 - Step 4: Simplify right side
88,159.48x = 5,824,263,783.91 - Step 5: Solve for x
x = 5,824,263,783.91/88,159.48 - Step 6: Final answer
x = 66,065.09
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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.