Finding the Fourth Proportional to 88,667.94, 122,343.84 and 56,415.36
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Solution
The fourth proportional to 88,667.94, 122,343.84 and 56,415.36 is: 77,841.80
Step by Step Solution
- Step 1: Write the proportion equation
88,667.94 : 122,343.84 = 56,415.36 : x - Step 2: Convert to fraction form
88,667.94/122,343.84 = 56,415.36/x - Step 3: Cross multiply
88,667.94x = 122,343.84 × 56,415.36 - Step 4: Simplify right side
88,667.94x = 6,902,071,777.38 - Step 5: Solve for x
x = 6,902,071,777.38/88,667.94 - Step 6: Final answer
x = 77,841.80
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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.