Finding the Fourth Proportional to 75,548.36, 104,177.58 and 56,397.42
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Solution
The fourth proportional to 75,548.36, 104,177.58 and 56,397.42 is: 77,769.34
Step by Step Solution
- Step 1: Write the proportion equation
75,548.36 : 104,177.58 = 56,397.42 : x - Step 2: Convert to fraction form
75,548.36/104,177.58 = 56,397.42/x - Step 3: Cross multiply
75,548.36x = 104,177.58 × 56,397.42 - Step 4: Simplify right side
75,548.36x = 5,875,345,930.97 - Step 5: Solve for x
x = 5,875,345,930.97/75,548.36 - Step 6: Final answer
x = 77,769.34
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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.