Finding the Fourth Proportional to 79,879.02, 110,176.11 and 56,011.02
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Solution
The fourth proportional to 79,879.02, 110,176.11 and 56,011.02 is: 77,255.28
Step by Step Solution
- Step 1: Write the proportion equation
79,879.02 : 110,176.11 = 56,011.02 : x - Step 2: Convert to fraction form
79,879.02/110,176.11 = 56,011.02/x - Step 3: Cross multiply
79,879.02x = 110,176.11 × 56,011.02 - Step 4: Simplify right side
79,879.02x = 6,171,076,300.73 - Step 5: Solve for x
x = 6,171,076,300.73/79,879.02 - Step 6: Final answer
x = 77,255.28
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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.