Finding the Fourth Proportional to 99,952.44, 149,957.76 and 47,289.48
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Solution
The fourth proportional to 99,952.44, 149,957.76 and 47,289.48 is: 70,947.99
Step by Step Solution
- Step 1: Write the proportion equation
99,952.44 : 149,957.76 = 47,289.48 : x - Step 2: Convert to fraction form
99,952.44/149,957.76 = 47,289.48/x - Step 3: Cross multiply
99,952.44x = 149,957.76 × 47,289.48 - Step 4: Simplify right side
99,952.44x = 7,091,424,492.36 - Step 5: Solve for x
x = 7,091,424,492.36/99,952.44 - Step 6: Final answer
x = 70,947.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.