Finding the Fourth Proportional to 93,304.92, 128,747.80 and 55,066.06
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Solution
The fourth proportional to 93,304.92, 128,747.80 and 55,066.06 is: 75,983.50
Step by Step Solution
- Step 1: Write the proportion equation
93,304.92 : 128,747.80 = 55,066.06 : x - Step 2: Convert to fraction form
93,304.92/128,747.80 = 55,066.06/x - Step 3: Cross multiply
93,304.92x = 128,747.80 × 55,066.06 - Step 4: Simplify right side
93,304.92x = 7,089,634,464.31 - Step 5: Solve for x
x = 7,089,634,464.31/93,304.92 - Step 6: Final answer
x = 75,983.50
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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.