Finding the Fourth Proportional to 71,304.93, 106,924.59 and 40,140.18
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Solution
The fourth proportional to 71,304.93, 106,924.59 and 40,140.18 is: 60,191.80
Step by Step Solution
- Step 1: Write the proportion equation
71,304.93 : 106,924.59 = 40,140.18 : x - Step 2: Convert to fraction form
71,304.93/106,924.59 = 40,140.18/x - Step 3: Cross multiply
71,304.93x = 106,924.59 × 40,140.18 - Step 4: Simplify right side
71,304.93x = 4,291,972,289.03 - Step 5: Solve for x
x = 4,291,972,289.03/71,304.93 - Step 6: Final answer
x = 60,191.80
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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.