Finding the Fourth Proportional to 88,358.24, 121,935.58 and 48,072.49
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Solution
The fourth proportional to 88,358.24, 121,935.58 and 48,072.49 is: 66,340.69
Step by Step Solution
- Step 1: Write the proportion equation
88,358.24 : 121,935.58 = 48,072.49 : x - Step 2: Convert to fraction form
88,358.24/121,935.58 = 48,072.49/x - Step 3: Cross multiply
88,358.24x = 121,935.58 × 48,072.49 - Step 4: Simplify right side
88,358.24x = 5,861,746,525.17 - Step 5: Solve for x
x = 5,861,746,525.17/88,358.24 - Step 6: Final answer
x = 66,340.69
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1.5x scale
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.