Finding the Fourth Proportional to 99,276.36, 148,748.70 and 61,743.80
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Solution
The fourth proportional to 99,276.36, 148,748.70 and 61,743.80 is: 92,512.55
Step by Step Solution
- Step 1: Write the proportion equation
99,276.36 : 148,748.70 = 61,743.80 : x - Step 2: Convert to fraction form
99,276.36/148,748.70 = 61,743.80/x - Step 3: Cross multiply
99,276.36x = 148,748.70 × 61,743.80 - Step 4: Simplify right side
99,276.36x = 9,184,309,568.21 - Step 5: Solve for x
x = 9,184,309,568.21/99,276.36 - Step 6: Final answer
x = 92,512.55
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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.