Finding the Fourth Proportional to 87,927.36, 121,337.12 and 50,194.24
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Solution
The fourth proportional to 87,927.36, 121,337.12 and 50,194.24 is: 69,266.55
Step by Step Solution
- Step 1: Write the proportion equation
87,927.36 : 121,337.12 = 50,194.24 : x - Step 2: Convert to fraction form
87,927.36/121,337.12 = 50,194.24/x - Step 3: Cross multiply
87,927.36x = 121,337.12 × 50,194.24 - Step 4: Simplify right side
87,927.36x = 6,090,424,522.19 - Step 5: Solve for x
x = 6,090,424,522.19/87,927.36 - Step 6: Final answer
x = 69,266.55
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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.