Finding the Fourth Proportional to 97,769.28, 134,923.62 and 55,327.80
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Solution
The fourth proportional to 97,769.28, 134,923.62 and 55,327.80 is: 76,353.50
Step by Step Solution
- Step 1: Write the proportion equation
97,769.28 : 134,923.62 = 55,327.80 : x - Step 2: Convert to fraction form
97,769.28/134,923.62 = 55,327.80/x - Step 3: Cross multiply
97,769.28x = 134,923.62 × 55,327.80 - Step 4: Simplify right side
97,769.28x = 7,465,027,062.64 - Step 5: Solve for x
x = 7,465,027,062.64/97,769.28 - Step 6: Final answer
x = 76,353.50
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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.