Finding the Fourth Proportional to 97,207.60, 134,149.08 and 54,763.60
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Solution
The fourth proportional to 97,207.60, 134,149.08 and 54,763.60 is: 75,575.23
Step by Step Solution
- Step 1: Write the proportion equation
97,207.60 : 134,149.08 = 54,763.60 : x - Step 2: Convert to fraction form
97,207.60/134,149.08 = 54,763.60/x - Step 3: Cross multiply
97,207.60x = 134,149.08 × 54,763.60 - Step 4: Simplify right side
97,207.60x = 7,346,486,557.49 - Step 5: Solve for x
x = 7,346,486,557.49/97,207.60 - Step 6: Final answer
x = 75,575.23
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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.