Finding the Fourth Proportional to 92,389.44, 127,468.44 and 56,542.08
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Solution
The fourth proportional to 92,389.44, 127,468.44 and 56,542.08 is: 78,010.33
Step by Step Solution
- Step 1: Write the proportion equation
92,389.44 : 127,468.44 = 56,542.08 : x - Step 2: Convert to fraction form
92,389.44/127,468.44 = 56,542.08/x - Step 3: Cross multiply
92,389.44x = 127,468.44 × 56,542.08 - Step 4: Simplify right side
92,389.44x = 7,207,330,731.96 - Step 5: Solve for x
x = 7,207,330,731.96/92,389.44 - Step 6: Final answer
x = 78,010.33
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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.