Finding the Fourth Proportional to 92,995.44, 128,332.80 and 50,551.44
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Solution
The fourth proportional to 92,995.44, 128,332.80 and 50,551.44 is: 69,760.49
Step by Step Solution
- Step 1: Write the proportion equation
92,995.44 : 128,332.80 = 50,551.44 : x - Step 2: Convert to fraction form
92,995.44/128,332.80 = 50,551.44/x - Step 3: Cross multiply
92,995.44x = 128,332.80 × 50,551.44 - Step 4: Simplify right side
92,995.44x = 6,487,407,839.23 - Step 5: Solve for x
x = 6,487,407,839.23/92,995.44 - Step 6: Final answer
x = 69,760.49
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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.