Finding the Fourth Proportional to 97,445.12, 134,474.40 and 52,733.12
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Solution
The fourth proportional to 97,445.12, 134,474.40 and 52,733.12 is: 72,771.78
Step by Step Solution
- Step 1: Write the proportion equation
97,445.12 : 134,474.40 = 52,733.12 : x - Step 2: Convert to fraction form
97,445.12/134,474.40 = 52,733.12/x - Step 3: Cross multiply
97,445.12x = 134,474.40 × 52,733.12 - Step 4: Simplify right side
97,445.12x = 7,091,254,672.13 - Step 5: Solve for x
x = 7,091,254,672.13/97,445.12 - Step 6: Final answer
x = 72,771.78
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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.