Finding the Fourth Proportional to 69,461.28, 104,211.36 and 27,937.44
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Solution
The fourth proportional to 69,461.28, 104,211.36 and 27,937.44 is: 41,913.98
Step by Step Solution
- Step 1: Write the proportion equation
69,461.28 : 104,211.36 = 27,937.44 : x - Step 2: Convert to fraction form
69,461.28/104,211.36 = 27,937.44/x - Step 3: Cross multiply
69,461.28x = 104,211.36 × 27,937.44 - Step 4: Simplify right side
69,461.28x = 2,911,398,617.32 - Step 5: Solve for x
x = 2,911,398,617.32/69,461.28 - Step 6: Final answer
x = 41,913.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.