Finding the Fourth Proportional to 97,430.64, 134,453.08 and 52,717.68
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Solution
The fourth proportional to 97,430.64, 134,453.08 and 52,717.68 is: 72,749.75
Step by Step Solution
- Step 1: Write the proportion equation
97,430.64 : 134,453.08 = 52,717.68 : x - Step 2: Convert to fraction form
97,430.64/134,453.08 = 52,717.68/x - Step 3: Cross multiply
97,430.64x = 134,453.08 × 52,717.68 - Step 4: Simplify right side
97,430.64x = 7,088,054,446.45 - Step 5: Solve for x
x = 7,088,054,446.45/97,430.64 - Step 6: Final answer
x = 72,749.75
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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.