Finding the Fourth Proportional to 73,174.19, 109,711.35 and 38,985.08
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Solution
The fourth proportional to 73,174.19, 109,711.35 and 38,985.08 is: 58,451.01
Step by Step Solution
- Step 1: Write the proportion equation
73,174.19 : 109,711.35 = 38,985.08 : x - Step 2: Convert to fraction form
73,174.19/109,711.35 = 38,985.08/x - Step 3: Cross multiply
73,174.19x = 109,711.35 × 38,985.08 - Step 4: Simplify right side
73,174.19x = 4,277,105,208.10 - Step 5: Solve for x
x = 4,277,105,208.10/73,174.19 - Step 6: Final answer
x = 58,451.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.