Finding the Fourth Proportional to 93,837.21, 129,497.45 and 53,550.18
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Solution
The fourth proportional to 93,837.21, 129,497.45 and 53,550.18 is: 73,900.44
Step by Step Solution
- Step 1: Write the proportion equation
93,837.21 : 129,497.45 = 53,550.18 : x - Step 2: Convert to fraction form
93,837.21/129,497.45 = 53,550.18/x - Step 3: Cross multiply
93,837.21x = 129,497.45 × 53,550.18 - Step 4: Simplify right side
93,837.21x = 6,934,611,489.29 - Step 5: Solve for x
x = 6,934,611,489.29/93,837.21 - Step 6: Final answer
x = 73,900.44
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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.