Finding the Fourth Proportional to 88,356.36, 121,930.48 and 48,070.48
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Solution
The fourth proportional to 88,356.36, 121,930.48 and 48,070.48 is: 66,336.56
Step by Step Solution
- Step 1: Write the proportion equation
88,356.36 : 121,930.48 = 48,070.48 : x - Step 2: Convert to fraction form
88,356.36/121,930.48 = 48,070.48/x - Step 3: Cross multiply
88,356.36x = 121,930.48 × 48,070.48 - Step 4: Simplify right side
88,356.36x = 5,861,256,700.23 - Step 5: Solve for x
x = 5,861,256,700.23/88,356.36 - Step 6: Final answer
x = 66,336.56
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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.