Finding the Fourth Proportional to 94,715.20, 130,707.26 and 51,695.09
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Solution
The fourth proportional to 94,715.20, 130,707.26 and 51,695.09 is: 71,339.38
Step by Step Solution
- Step 1: Write the proportion equation
94,715.20 : 130,707.26 = 51,695.09 : x - Step 2: Convert to fraction form
94,715.20/130,707.26 = 51,695.09/x - Step 3: Cross multiply
94,715.20x = 130,707.26 × 51,695.09 - Step 4: Simplify right side
94,715.20x = 6,756,923,569.35 - Step 5: Solve for x
x = 6,756,923,569.35/94,715.20 - Step 6: Final answer
x = 71,339.38
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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.