Finding the Fourth Proportional to 79,570.08, 119,334.24 and 42,079.68
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Solution
The fourth proportional to 79,570.08, 119,334.24 and 42,079.68 is: 63,108.48
Step by Step Solution
- Step 1: Write the proportion equation
79,570.08 : 119,334.24 = 42,079.68 : x - Step 2: Convert to fraction form
79,570.08/119,334.24 = 42,079.68/x - Step 3: Cross multiply
79,570.08x = 119,334.24 × 42,079.68 - Step 4: Simplify right side
79,570.08x = 5,021,546,632.24 - Step 5: Solve for x
x = 5,021,546,632.24/79,570.08 - Step 6: Final answer
x = 63,108.48
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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.