Finding the Fourth Proportional to 112,882.79, 155,785.26 and 62,581.79
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Solution
The fourth proportional to 112,882.79, 155,785.26 and 62,581.79 is: 86,366.75
Step by Step Solution
- Step 1: Write the proportion equation
112,882.79 : 155,785.26 = 62,581.79 : x - Step 2: Convert to fraction form
112,882.79/155,785.26 = 62,581.79/x - Step 3: Cross multiply
112,882.79x = 155,785.26 × 62,581.79 - Step 4: Simplify right side
112,882.79x = 9,749,319,647.49 - Step 5: Solve for x
x = 9,749,319,647.49/112,882.79 - Step 6: Final answer
x = 86,366.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.