Finding the Fourth Proportional to 79,430.13, 119,110.21 and 37,322.19
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Solution
The fourth proportional to 79,430.13, 119,110.21 and 37,322.19 is: 55,966.85
Step by Step Solution
- Step 1: Write the proportion equation
79,430.13 : 119,110.21 = 37,322.19 : x - Step 2: Convert to fraction form
79,430.13/119,110.21 = 37,322.19/x - Step 3: Cross multiply
79,430.13x = 119,110.21 × 37,322.19 - Step 4: Simplify right side
79,430.13x = 4,445,453,795.25 - Step 5: Solve for x
x = 4,445,453,795.25/79,430.13 - Step 6: Final answer
x = 55,966.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.