Finding the Fourth Proportional to 97,752.96, 134,896.68 and 55,311.12
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Solution
The fourth proportional to 97,752.96, 134,896.68 and 55,311.12 is: 76,327.98
Step by Step Solution
- Step 1: Write the proportion equation
97,752.96 : 134,896.68 = 55,311.12 : x - Step 2: Convert to fraction form
97,752.96/134,896.68 = 55,311.12/x - Step 3: Cross multiply
97,752.96x = 134,896.68 × 55,311.12 - Step 4: Simplify right side
97,752.96x = 7,461,286,455.08 - Step 5: Solve for x
x = 7,461,286,455.08/97,752.96 - Step 6: Final answer
x = 76,327.98
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1.5x scale
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.