Finding the Fourth Proportional to 97,361.34, 134,364.87 and 54,904.38
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Solution
The fourth proportional to 97,361.34, 134,364.87 and 54,904.38 is: 75,771.55
Step by Step Solution
- Step 1: Write the proportion equation
97,361.34 : 134,364.87 = 54,904.38 : x - Step 2: Convert to fraction form
97,361.34/134,364.87 = 54,904.38/x - Step 3: Cross multiply
97,361.34x = 134,364.87 × 54,904.38 - Step 4: Simplify right side
97,361.34x = 7,377,219,881.13 - Step 5: Solve for x
x = 7,377,219,881.13/97,361.34 - Step 6: Final answer
x = 75,771.55
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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.