Finding the Fourth Proportional to 69,660.05, 104,490.08 and 17,069.08
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Solution
The fourth proportional to 69,660.05, 104,490.08 and 17,069.08 is: 25,603.62
Step by Step Solution
- Step 1: Write the proportion equation
69,660.05 : 104,490.08 = 17,069.08 : x - Step 2: Convert to fraction form
69,660.05/104,490.08 = 17,069.08/x - Step 3: Cross multiply
69,660.05x = 104,490.08 × 17,069.08 - Step 4: Simplify right side
69,660.05x = 1,783,549,534.73 - Step 5: Solve for x
x = 1,783,549,534.73/69,660.05 - Step 6: Final answer
x = 25,603.62
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Similar ratio
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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.