Finding the Fourth Proportional to 73,746.68, 101,770.38 and 40,212.68
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Solution
The fourth proportional to 73,746.68, 101,770.38 and 40,212.68 is: 55,493.47
Step by Step Solution
- Step 1: Write the proportion equation
73,746.68 : 101,770.38 = 40,212.68 : x - Step 2: Convert to fraction form
73,746.68/101,770.38 = 40,212.68/x - Step 3: Cross multiply
73,746.68x = 101,770.38 × 40,212.68 - Step 4: Simplify right side
73,746.68x = 4,092,459,215.57 - Step 5: Solve for x
x = 4,092,459,215.57/73,746.68 - Step 6: Final answer
x = 55,493.47
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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.