Finding the Fourth Proportional to 84,957.08, 127,430.76 and 40,614.44
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Solution
The fourth proportional to 84,957.08, 127,430.76 and 40,614.44 is: 60,919.34
Step by Step Solution
- Step 1: Write the proportion equation
84,957.08 : 127,430.76 = 40,614.44 : x - Step 2: Convert to fraction form
84,957.08/127,430.76 = 40,614.44/x - Step 3: Cross multiply
84,957.08x = 127,430.76 × 40,614.44 - Step 4: Simplify right side
84,957.08x = 5,175,528,956.17 - Step 5: Solve for x
x = 5,175,528,956.17/84,957.08 - Step 6: Final answer
x = 60,919.34
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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.