Finding the Fourth Proportional to 70,989.53, 106,484.34 and 39,846.65
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Solution
The fourth proportional to 70,989.53, 106,484.34 and 39,846.65 is: 59,770.00
Step by Step Solution
- Step 1: Write the proportion equation
70,989.53 : 106,484.34 = 39,846.65 : x - Step 2: Convert to fraction form
70,989.53/106,484.34 = 39,846.65/x - Step 3: Cross multiply
70,989.53x = 106,484.34 × 39,846.65 - Step 4: Simplify right side
70,989.53x = 4,243,044,226.46 - Step 5: Solve for x
x = 4,243,044,226.46/70,989.53 - Step 6: Final answer
x = 59,770.00
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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.