Finding the Fourth Proportional to 69,261.50, 103,892.28 and 16,670.99
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Solution
The fourth proportional to 69,261.50, 103,892.28 and 16,670.99 is: 25,006.49
Step by Step Solution
- Step 1: Write the proportion equation
69,261.50 : 103,892.28 = 16,670.99 : x - Step 2: Convert to fraction form
69,261.50/103,892.28 = 16,670.99/x - Step 3: Cross multiply
69,261.50x = 103,892.28 × 16,670.99 - Step 4: Simplify right side
69,261.50x = 1,731,987,160.96 - Step 5: Solve for x
x = 1,731,987,160.96/69,261.50 - Step 6: Final answer
x = 25,006.49
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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.