Finding the Fourth Proportional to 92,349.86, 138,532.65 and 29,153.08
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Solution
The fourth proportional to 92,349.86, 138,532.65 and 29,153.08 is: 43,732.09
Step by Step Solution
- Step 1: Write the proportion equation
92,349.86 : 138,532.65 = 29,153.08 : x - Step 2: Convert to fraction form
92,349.86/138,532.65 = 29,153.08/x - Step 3: Cross multiply
92,349.86x = 138,532.65 × 29,153.08 - Step 4: Simplify right side
92,349.86x = 4,038,652,735.40 - Step 5: Solve for x
x = 4,038,652,735.40/92,349.86 - Step 6: Final answer
x = 43,732.09
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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.