Finding the Fourth Proportional to 73,748.19, 101,772.32 and 40,214.19
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Solution
The fourth proportional to 73,748.19, 101,772.32 and 40,214.19 is: 55,495.48
Step by Step Solution
- Step 1: Write the proportion equation
73,748.19 : 101,772.32 = 40,214.19 : x - Step 2: Convert to fraction form
73,748.19/101,772.32 = 40,214.19/x - Step 3: Cross multiply
73,748.19x = 101,772.32 × 40,214.19 - Step 4: Simplify right side
73,748.19x = 4,092,691,212.15 - Step 5: Solve for x
x = 4,092,691,212.15/73,748.19 - Step 6: Final answer
x = 55,495.48
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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.