Finding the Fourth Proportional to 71,245.02, 106,341.36 and 62,840.28
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Solution
The fourth proportional to 71,245.02, 106,341.36 and 62,840.28 is: 93,796.32
Step by Step Solution
- Step 1: Write the proportion equation
71,245.02 : 106,341.36 = 62,840.28 : x - Step 2: Convert to fraction form
71,245.02/106,341.36 = 62,840.28/x - Step 3: Cross multiply
71,245.02x = 106,341.36 × 62,840.28 - Step 4: Simplify right side
71,245.02x = 6,682,520,837.98 - Step 5: Solve for x
x = 6,682,520,837.98/71,245.02 - Step 6: Final answer
x = 93,796.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.