Finding the Fourth Proportional to 71,044.24, 106,490.58 and 53,459.68
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Solution
The fourth proportional to 71,044.24, 106,490.58 and 53,459.68 is: 80,132.50
Step by Step Solution
- Step 1: Write the proportion equation
71,044.24 : 106,490.58 = 53,459.68 : x - Step 2: Convert to fraction form
71,044.24/106,490.58 = 53,459.68/x - Step 3: Cross multiply
71,044.24x = 106,490.58 × 53,459.68 - Step 4: Simplify right side
71,044.24x = 5,692,952,329.81 - Step 5: Solve for x
x = 5,692,952,329.81/71,044.24 - Step 6: Final answer
x = 80,132.50
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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.