Finding the Fourth Proportional to 71,339.24, 106,957.02 and 29,798.12
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Solution
The fourth proportional to 71,339.24, 106,957.02 and 29,798.12 is: 44,675.53
Step by Step Solution
- Step 1: Write the proportion equation
71,339.24 : 106,957.02 = 29,798.12 : x - Step 2: Convert to fraction form
71,339.24/106,957.02 = 29,798.12/x - Step 3: Cross multiply
71,339.24x = 106,957.02 × 29,798.12 - Step 4: Simplify right side
71,339.24x = 3,187,118,116.80 - Step 5: Solve for x
x = 3,187,118,116.80/71,339.24 - Step 6: Final answer
x = 44,675.53
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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.