Finding the Fourth Proportional to 75,206.08, 112,786.08 and 19,794.88
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Solution
The fourth proportional to 75,206.08, 112,786.08 and 19,794.88 is: 29,686.26
Step by Step Solution
- Step 1: Write the proportion equation
75,206.08 : 112,786.08 = 19,794.88 : x - Step 2: Convert to fraction form
75,206.08/112,786.08 = 19,794.88/x - Step 3: Cross multiply
75,206.08x = 112,786.08 × 19,794.88 - Step 4: Simplify right side
75,206.08x = 2,232,586,919.27 - Step 5: Solve for x
x = 2,232,586,919.27/75,206.08 - Step 6: Final answer
x = 29,686.26
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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.