Finding the Fourth Proportional to 73,657.13, 110,534.12 and 40,400.50
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Solution
The fourth proportional to 73,657.13, 110,534.12 and 40,400.50 is: 60,627.31
Step by Step Solution
- Step 1: Write the proportion equation
73,657.13 : 110,534.12 = 40,400.50 : x - Step 2: Convert to fraction form
73,657.13/110,534.12 = 40,400.50/x - Step 3: Cross multiply
73,657.13x = 110,534.12 × 40,400.50 - Step 4: Simplify right side
73,657.13x = 4,465,633,715.06 - Step 5: Solve for x
x = 4,465,633,715.06/73,657.13 - Step 6: Final answer
x = 60,627.31
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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.