Finding the Fourth Proportional to 77,703.24, 116,579.36 and 27,782.24
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Solution
The fourth proportional to 77,703.24, 116,579.36 and 27,782.24 is: 41,682.12
Step by Step Solution
- Step 1: Write the proportion equation
77,703.24 : 116,579.36 = 27,782.24 : x - Step 2: Convert to fraction form
77,703.24/116,579.36 = 27,782.24/x - Step 3: Cross multiply
77,703.24x = 116,579.36 × 27,782.24 - Step 4: Simplify right side
77,703.24x = 3,238,835,758.57 - Step 5: Solve for x
x = 3,238,835,758.57/77,703.24 - Step 6: Final answer
x = 41,682.12
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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.