Finding the Fourth Proportional to 96,783.04, 133,561.12 and 54,342.08
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Solution
The fourth proportional to 96,783.04, 133,561.12 and 54,342.08 is: 74,992.37
Step by Step Solution
- Step 1: Write the proportion equation
96,783.04 : 133,561.12 = 54,342.08 : x - Step 2: Convert to fraction form
96,783.04/133,561.12 = 54,342.08/x - Step 3: Cross multiply
96,783.04x = 133,561.12 × 54,342.08 - Step 4: Simplify right side
96,783.04x = 7,257,989,067.93 - Step 5: Solve for x
x = 7,257,989,067.93/96,783.04 - Step 6: Final answer
x = 74,992.37
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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.