Finding the Fourth Proportional to 97,792.18, 134,961.84 and 54,771.02
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Solution
The fourth proportional to 97,792.18, 134,961.84 and 54,771.02 is: 75,588.84
Step by Step Solution
- Step 1: Write the proportion equation
97,792.18 : 134,961.84 = 54,771.02 : x - Step 2: Convert to fraction form
97,792.18/134,961.84 = 54,771.02/x - Step 3: Cross multiply
97,792.18x = 134,961.84 × 54,771.02 - Step 4: Simplify right side
97,792.18x = 7,391,997,637.88 - Step 5: Solve for x
x = 7,391,997,637.88/97,792.18 - Step 6: Final answer
x = 75,588.84
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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.