Finding the Fourth Proportional to 79,959.13, 110,345.02 and 44,147.00
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Solution
The fourth proportional to 79,959.13, 110,345.02 and 44,147.00 is: 60,923.65
Step by Step Solution
- Step 1: Write the proportion equation
79,959.13 : 110,345.02 = 44,147.00 : x - Step 2: Convert to fraction form
79,959.13/110,345.02 = 44,147.00/x - Step 3: Cross multiply
79,959.13x = 110,345.02 × 44,147.00 - Step 4: Simplify right side
79,959.13x = 4,871,401,763.44 - Step 5: Solve for x
x = 4,871,401,763.44/79,959.13 - Step 6: Final answer
x = 60,923.65
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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.