Finding the Fourth Proportional to 91,177.36, 136,748.64 and 38,623.80
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Solution
The fourth proportional to 91,177.36, 136,748.64 and 38,623.80 is: 57,928.33
Step by Step Solution
- Step 1: Write the proportion equation
91,177.36 : 136,748.64 = 38,623.80 : x - Step 2: Convert to fraction form
91,177.36/136,748.64 = 38,623.80/x - Step 3: Cross multiply
91,177.36x = 136,748.64 × 38,623.80 - Step 4: Simplify right side
91,177.36x = 5,281,752,121.63 - Step 5: Solve for x
x = 5,281,752,121.63/91,177.36 - Step 6: Final answer
x = 57,928.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.