Finding the Fourth Proportional to 79,206.60, 109,294.74 and 47,363.88
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Solution
The fourth proportional to 79,206.60, 109,294.74 and 47,363.88 is: 65,355.95
Step by Step Solution
- Step 1: Write the proportion equation
79,206.60 : 109,294.74 = 47,363.88 : x - Step 2: Convert to fraction form
79,206.60/109,294.74 = 47,363.88/x - Step 3: Cross multiply
79,206.60x = 109,294.74 × 47,363.88 - Step 4: Simplify right side
79,206.60x = 5,176,622,949.99 - Step 5: Solve for x
x = 5,176,622,949.99/79,206.60 - Step 6: Final answer
x = 65,355.95
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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.