Finding the Fourth Proportional to 97,475.60, 134,578.86 and 79,613.48
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Solution
The fourth proportional to 97,475.60, 134,578.86 and 79,613.48 is: 109,917.68
Step by Step Solution
- Step 1: Write the proportion equation
97,475.60 : 134,578.86 = 79,613.48 : x - Step 2: Convert to fraction form
97,475.60/134,578.86 = 79,613.48/x - Step 3: Cross multiply
97,475.60x = 134,578.86 × 79,613.48 - Step 4: Simplify right side
97,475.60x = 10,714,291,379.03 - Step 5: Solve for x
x = 10,714,291,379.03/97,475.60 - Step 6: Final answer
x = 109,917.68
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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.