Finding the Fourth Proportional to 88,009.35, 121,452.24 and 47,723.06
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Solution
The fourth proportional to 88,009.35, 121,452.24 and 47,723.06 is: 65,857.46
Step by Step Solution
- Step 1: Write the proportion equation
88,009.35 : 121,452.24 = 47,723.06 : x - Step 2: Convert to fraction form
88,009.35/121,452.24 = 47,723.06/x - Step 3: Cross multiply
88,009.35x = 121,452.24 × 47,723.06 - Step 4: Simplify right side
88,009.35x = 5,796,072,336.08 - Step 5: Solve for x
x = 5,796,072,336.08/88,009.35 - Step 6: Final answer
x = 65,857.46
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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.