Finding the Fourth Proportional to 88,115.13, 121,599.01 and 50,390.19
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Solution
The fourth proportional to 88,115.13, 121,599.01 and 50,390.19 is: 69,538.54
Step by Step Solution
- Step 1: Write the proportion equation
88,115.13 : 121,599.01 = 50,390.19 : x - Step 2: Convert to fraction form
88,115.13/121,599.01 = 50,390.19/x - Step 3: Cross multiply
88,115.13x = 121,599.01 × 50,390.19 - Step 4: Simplify right side
88,115.13x = 6,127,397,217.71 - Step 5: Solve for x
x = 6,127,397,217.71/88,115.13 - Step 6: Final answer
x = 69,538.54
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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.