Finding the Fourth Proportional to 96,509.12, 144,923.97 and 65,121.08
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Solution
The fourth proportional to 96,509.12, 144,923.97 and 65,121.08 is: 97,789.78
Step by Step Solution
- Step 1: Write the proportion equation
96,509.12 : 144,923.97 = 65,121.08 : x - Step 2: Convert to fraction form
96,509.12/144,923.97 = 65,121.08/x - Step 3: Cross multiply
96,509.12x = 144,923.97 × 65,121.08 - Step 4: Simplify right side
96,509.12x = 9,437,605,444.29 - Step 5: Solve for x
x = 9,437,605,444.29/96,509.12 - Step 6: Final answer
x = 97,789.78
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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.