Finding the Fourth Proportional to 92,564.51, 127,739.12 and 50,122.94
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Solution
The fourth proportional to 92,564.51, 127,739.12 and 50,122.94 is: 69,169.70
Step by Step Solution
- Step 1: Write the proportion equation
92,564.51 : 127,739.12 = 50,122.94 : x - Step 2: Convert to fraction form
92,564.51/127,739.12 = 50,122.94/x - Step 3: Cross multiply
92,564.51x = 127,739.12 × 50,122.94 - Step 4: Simplify right side
92,564.51x = 6,402,659,358.10 - Step 5: Solve for x
x = 6,402,659,358.10/92,564.51 - Step 6: Final answer
x = 69,169.70
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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.