Finding the Fourth Proportional to 97,722.48, 134,833.50 and 57,433.08
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Solution
The fourth proportional to 97,722.48, 134,833.50 and 57,433.08 is: 79,243.83
Step by Step Solution
- Step 1: Write the proportion equation
97,722.48 : 134,833.50 = 57,433.08 : x - Step 2: Convert to fraction form
97,722.48/134,833.50 = 57,433.08/x - Step 3: Cross multiply
97,722.48x = 134,833.50 × 57,433.08 - Step 4: Simplify right side
97,722.48x = 7,743,903,192.18 - Step 5: Solve for x
x = 7,743,903,192.18/97,722.48 - Step 6: Final answer
x = 79,243.83
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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.