Finding the Fourth Proportional to 79,199.08, 109,253.26 and 48,974.76
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Solution
The fourth proportional to 79,199.08, 109,253.26 and 48,974.76 is: 67,559.52
Step by Step Solution
- Step 1: Write the proportion equation
79,199.08 : 109,253.26 = 48,974.76 : x - Step 2: Convert to fraction form
79,199.08/109,253.26 = 48,974.76/x - Step 3: Cross multiply
79,199.08x = 109,253.26 × 48,974.76 - Step 4: Simplify right side
79,199.08x = 5,350,652,187.72 - Step 5: Solve for x
x = 5,350,652,187.72/79,199.08 - Step 6: Final answer
x = 67,559.52
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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.