Finding the Fourth Proportional to 97,563.48, 134,619.36 and 61,728.36
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Solution
The fourth proportional to 97,563.48, 134,619.36 and 61,728.36 is: 85,173.59
Step by Step Solution
- Step 1: Write the proportion equation
97,563.48 : 134,619.36 = 61,728.36 : x - Step 2: Convert to fraction form
97,563.48/134,619.36 = 61,728.36/x - Step 3: Cross multiply
97,563.48x = 134,619.36 × 61,728.36 - Step 4: Simplify right side
97,563.48x = 8,309,832,317.05 - Step 5: Solve for x
x = 8,309,832,317.05/97,563.48 - Step 6: Final answer
x = 85,173.59
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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.