Finding the Fourth Proportional to 73,331.18, 101,197.08 and 39,797.18
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Solution
The fourth proportional to 73,331.18, 101,197.08 and 39,797.18 is: 54,920.14
Step by Step Solution
- Step 1: Write the proportion equation
73,331.18 : 101,197.08 = 39,797.18 : x - Step 2: Convert to fraction form
73,331.18/101,197.08 = 39,797.18/x - Step 3: Cross multiply
73,331.18x = 101,197.08 × 39,797.18 - Step 4: Simplify right side
73,331.18x = 4,027,358,408.23 - Step 5: Solve for x
x = 4,027,358,408.23/73,331.18 - Step 6: Final answer
x = 54,920.14
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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.