Finding the Fourth Proportional to 96,369.64, 132,862.69 and 79,078.67
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Solution
The fourth proportional to 96,369.64, 132,862.69 and 79,078.67 is: 109,024.02
Step by Step Solution
- Step 1: Write the proportion equation
96,369.64 : 132,862.69 = 79,078.67 : x - Step 2: Convert to fraction form
96,369.64/132,862.69 = 79,078.67/x - Step 3: Cross multiply
96,369.64x = 132,862.69 × 79,078.67 - Step 4: Simplify right side
96,369.64x = 10,506,604,952.28 - Step 5: Solve for x
x = 10,506,604,952.28/96,369.64 - Step 6: Final answer
x = 109,024.02
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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.