Finding the Fourth Proportional to 97,982.56, 135,220.56 and 55,541.92
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Solution
The fourth proportional to 97,982.56, 135,220.56 and 55,541.92 is: 76,650.47
Step by Step Solution
- Step 1: Write the proportion equation
97,982.56 : 135,220.56 = 55,541.92 : x - Step 2: Convert to fraction form
97,982.56/135,220.56 = 55,541.92/x - Step 3: Cross multiply
97,982.56x = 135,220.56 × 55,541.92 - Step 4: Simplify right side
97,982.56x = 7,510,409,525.88 - Step 5: Solve for x
x = 7,510,409,525.88/97,982.56 - Step 6: Final answer
x = 76,650.47
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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.