Finding the Fourth Proportional to 73,401.40, 110,102.10 and 72,623.80
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Solution
The fourth proportional to 73,401.40, 110,102.10 and 72,623.80 is: 108,935.70
Step by Step Solution
- Step 1: Write the proportion equation
73,401.40 : 110,102.10 = 72,623.80 : x - Step 2: Convert to fraction form
73,401.40/110,102.10 = 72,623.80/x - Step 3: Cross multiply
73,401.40x = 110,102.10 × 72,623.80 - Step 4: Simplify right side
73,401.40x = 7,996,032,889.98 - Step 5: Solve for x
x = 7,996,032,889.98/73,401.40 - Step 6: Final answer
x = 108,935.70
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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.