Finding the Fourth Proportional to 92,952.36, 128,274.44 and 50,510.79
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Solution
The fourth proportional to 92,952.36, 128,274.44 and 50,510.79 is: 69,704.99
Step by Step Solution
- Step 1: Write the proportion equation
92,952.36 : 128,274.44 = 50,510.79 : x - Step 2: Convert to fraction form
92,952.36/128,274.44 = 50,510.79/x - Step 3: Cross multiply
92,952.36x = 128,274.44 × 50,510.79 - Step 4: Simplify right side
92,952.36x = 6,479,243,048.65 - Step 5: Solve for x
x = 6,479,243,048.65/92,952.36 - Step 6: Final answer
x = 69,704.99
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1.5x scale
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.