Finding the Fourth Proportional to 79,580.40, 119,378.09 and 23,420.53
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Solution
The fourth proportional to 79,580.40, 119,378.09 and 23,420.53 is: 35,133.00
Step by Step Solution
- Step 1: Write the proportion equation
79,580.40 : 119,378.09 = 23,420.53 : x - Step 2: Convert to fraction form
79,580.40/119,378.09 = 23,420.53/x - Step 3: Cross multiply
79,580.40x = 119,378.09 × 23,420.53 - Step 4: Simplify right side
79,580.40x = 2,795,898,138.19 - Step 5: Solve for x
x = 2,795,898,138.19/79,580.40 - Step 6: Final answer
x = 35,133.00
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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.