Finding the Fourth Proportional to 70,794.24, 106,131.84 and 47,349.12
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Solution
The fourth proportional to 70,794.24, 106,131.84 and 47,349.12 is: 70,983.87
Step by Step Solution
- Step 1: Write the proportion equation
70,794.24 : 106,131.84 = 47,349.12 : x - Step 2: Convert to fraction form
70,794.24/106,131.84 = 47,349.12/x - Step 3: Cross multiply
70,794.24x = 106,131.84 × 47,349.12 - Step 4: Simplify right side
70,794.24x = 5,025,249,227.98 - Step 5: Solve for x
x = 5,025,249,227.98/70,794.24 - Step 6: Final answer
x = 70,983.87
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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.