Finding the Fourth Proportional to 88,358.83, 121,933.84 and 48,071.67
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Solution
The fourth proportional to 88,358.83, 121,933.84 and 48,071.67 is: 66,338.17
Step by Step Solution
- Step 1: Write the proportion equation
88,358.83 : 121,933.84 = 48,071.67 : x - Step 2: Convert to fraction form
88,358.83/121,933.84 = 48,071.67/x - Step 3: Cross multiply
88,358.83x = 121,933.84 × 48,071.67 - Step 4: Simplify right side
88,358.83x = 5,861,563,318.31 - Step 5: Solve for x
x = 5,861,563,318.31/88,358.83 - Step 6: Final answer
x = 66,338.17
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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.