Finding the Fourth Proportional to 76,157.66, 114,341.34 and 38,743.08
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Solution
The fourth proportional to 76,157.66, 114,341.34 and 38,743.08 is: 58,167.96
Step by Step Solution
- Step 1: Write the proportion equation
76,157.66 : 114,341.34 = 38,743.08 : x - Step 2: Convert to fraction form
76,157.66/114,341.34 = 38,743.08/x - Step 3: Cross multiply
76,157.66x = 114,341.34 × 38,743.08 - Step 4: Simplify right side
76,157.66x = 4,429,935,682.93 - Step 5: Solve for x
x = 4,429,935,682.93/76,157.66 - Step 6: Final answer
x = 58,167.96
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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.