Finding the Fourth Proportional to 71,024.68, 106,435.48 and 52,156.68
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Solution
The fourth proportional to 71,024.68, 106,435.48 and 52,156.68 is: 78,160.45
Step by Step Solution
- Step 1: Write the proportion equation
71,024.68 : 106,435.48 = 52,156.68 : x - Step 2: Convert to fraction form
71,024.68/106,435.48 = 52,156.68/x - Step 3: Cross multiply
71,024.68x = 106,435.48 × 52,156.68 - Step 4: Simplify right side
71,024.68x = 5,551,321,271.01 - Step 5: Solve for x
x = 5,551,321,271.01/71,024.68 - Step 6: Final answer
x = 78,160.45
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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.