Finding the Fourth Proportional to 106,862.29, 160,325.53 and 31,984.88
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Solution
The fourth proportional to 106,862.29, 160,325.53 and 31,984.88 is: 47,986.92
Step by Step Solution
- Step 1: Write the proportion equation
106,862.29 : 160,325.53 = 31,984.88 : x - Step 2: Convert to fraction form
106,862.29/160,325.53 = 31,984.88/x - Step 3: Cross multiply
106,862.29x = 160,325.53 × 31,984.88 - Step 4: Simplify right side
106,862.29x = 5,127,991,956.40 - Step 5: Solve for x
x = 5,127,991,956.40/106,862.29 - Step 6: Final answer
x = 47,986.92
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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.