Finding the Fourth Proportional to 79,916.44, 110,251.08 and 56,058.70
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Solution
The fourth proportional to 79,916.44, 110,251.08 and 56,058.70 is: 77,337.43
Step by Step Solution
- Step 1: Write the proportion equation
79,916.44 : 110,251.08 = 56,058.70 : x - Step 2: Convert to fraction form
79,916.44/110,251.08 = 56,058.70/x - Step 3: Cross multiply
79,916.44x = 110,251.08 × 56,058.70 - Step 4: Simplify right side
79,916.44x = 6,180,532,218.40 - Step 5: Solve for x
x = 6,180,532,218.40/79,916.44 - Step 6: Final answer
x = 77,337.43
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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.