Finding the Fourth Proportional to 70,838.24, 106,270.32 and 29,288.48
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Solution
The fourth proportional to 70,838.24, 106,270.32 and 29,288.48 is: 43,938.08
Step by Step Solution
- Step 1: Write the proportion equation
70,838.24 : 106,270.32 = 29,288.48 : x - Step 2: Convert to fraction form
70,838.24/106,270.32 = 29,288.48/x - Step 3: Cross multiply
70,838.24x = 106,270.32 × 29,288.48 - Step 4: Simplify right side
70,838.24x = 3,112,496,141.91 - Step 5: Solve for x
x = 3,112,496,141.91/70,838.24 - Step 6: Final answer
x = 43,938.08
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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.