Finding the Fourth Proportional to 97,197.60, 134,129.76 and 54,755.20
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Solution
The fourth proportional to 97,197.60, 134,129.76 and 54,755.20 is: 75,560.53
Step by Step Solution
- Step 1: Write the proportion equation
97,197.60 : 134,129.76 = 54,755.20 : x - Step 2: Convert to fraction form
97,197.60/134,129.76 = 54,755.20/x - Step 3: Cross multiply
97,197.60x = 134,129.76 × 54,755.20 - Step 4: Simplify right side
97,197.60x = 7,344,301,834.75 - Step 5: Solve for x
x = 7,344,301,834.75/97,197.60 - Step 6: Final answer
x = 75,560.53
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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.