Finding the Fourth Proportional to 97,372.79, 134,396.87 and 57,099.53
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Solution
The fourth proportional to 97,372.79, 134,396.87 and 57,099.53 is: 78,810.50
Step by Step Solution
- Step 1: Write the proportion equation
97,372.79 : 134,396.87 = 57,099.53 : x - Step 2: Convert to fraction form
97,372.79/134,396.87 = 57,099.53/x - Step 3: Cross multiply
97,372.79x = 134,396.87 × 57,099.53 - Step 4: Simplify right side
97,372.79x = 7,673,998,110.47 - Step 5: Solve for x
x = 7,673,998,110.47/97,372.79 - Step 6: Final answer
x = 78,810.50
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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.