Finding the Fourth Proportional to 77,581.08, 107,060.94 and 44,044.92
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Solution
The fourth proportional to 77,581.08, 107,060.94 and 44,044.92 is: 60,781.45
Step by Step Solution
- Step 1: Write the proportion equation
77,581.08 : 107,060.94 = 44,044.92 : x - Step 2: Convert to fraction form
77,581.08/107,060.94 = 44,044.92/x - Step 3: Cross multiply
77,581.08x = 107,060.94 × 44,044.92 - Step 4: Simplify right side
77,581.08x = 4,715,490,537.42 - Step 5: Solve for x
x = 4,715,490,537.42/77,581.08 - Step 6: Final answer
x = 60,781.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.