Finding the Fourth Proportional to 96,677.13, 133,415.47 and 53,657.43
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Solution
The fourth proportional to 96,677.13, 133,415.47 and 53,657.43 is: 74,047.83
Step by Step Solution
- Step 1: Write the proportion equation
96,677.13 : 133,415.47 = 53,657.43 : x - Step 2: Convert to fraction form
96,677.13/133,415.47 = 53,657.43/x - Step 3: Cross multiply
96,677.13x = 133,415.47 × 53,657.43 - Step 4: Simplify right side
96,677.13x = 7,158,731,242.44 - Step 5: Solve for x
x = 7,158,731,242.44/96,677.13 - Step 6: Final answer
x = 74,047.83
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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.