Finding the Fourth Proportional to 79,026.63, 109,058.57 and 48,832.66
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Solution
The fourth proportional to 79,026.63, 109,058.57 and 48,832.66 is: 67,390.20
Step by Step Solution
- Step 1: Write the proportion equation
79,026.63 : 109,058.57 = 48,832.66 : x - Step 2: Convert to fraction form
79,026.63/109,058.57 = 48,832.66/x - Step 3: Cross multiply
79,026.63x = 109,058.57 × 48,832.66 - Step 4: Simplify right side
79,026.63x = 5,325,620,068.90 - Step 5: Solve for x
x = 5,325,620,068.90/79,026.63 - Step 6: Final answer
x = 67,390.20
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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.