Finding the Fourth Proportional to 88,926.93, 122,720.12 and 48,639.83
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Solution
The fourth proportional to 88,926.93, 122,720.12 and 48,639.83 is: 67,123.49
Step by Step Solution
- Step 1: Write the proportion equation
88,926.93 : 122,720.12 = 48,639.83 : x - Step 2: Convert to fraction form
88,926.93/122,720.12 = 48,639.83/x - Step 3: Cross multiply
88,926.93x = 122,720.12 × 48,639.83 - Step 4: Simplify right side
88,926.93x = 5,969,085,774.38 - Step 5: Solve for x
x = 5,969,085,774.38/88,926.93 - Step 6: Final answer
x = 67,123.49
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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.