Finding the Fourth Proportional to 79,125.86, 118,670.16 and 22,951.14
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Solution
The fourth proportional to 79,125.86, 118,670.16 and 22,951.14 is: 34,421.31
Step by Step Solution
- Step 1: Write the proportion equation
79,125.86 : 118,670.16 = 22,951.14 : x - Step 2: Convert to fraction form
79,125.86/118,670.16 = 22,951.14/x - Step 3: Cross multiply
79,125.86x = 118,670.16 × 22,951.14 - Step 4: Simplify right side
79,125.86x = 2,723,615,341.23 - Step 5: Solve for x
x = 2,723,615,341.23/79,125.86 - Step 6: Final answer
x = 34,421.31
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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.