Finding the Fourth Proportional to 106,242.03, 159,380.36 and 31,369.75
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Solution
The fourth proportional to 106,242.03, 159,380.36 and 31,369.75 is: 47,059.73
Step by Step Solution
- Step 1: Write the proportion equation
106,242.03 : 159,380.36 = 31,369.75 : x - Step 2: Convert to fraction form
106,242.03/159,380.36 = 31,369.75/x - Step 3: Cross multiply
106,242.03x = 159,380.36 × 31,369.75 - Step 4: Simplify right side
106,242.03x = 4,999,721,492.81 - Step 5: Solve for x
x = 4,999,721,492.81/106,242.03 - Step 6: Final answer
x = 47,059.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.