Finding the Fourth Proportional to 106,422.48, 146,864.01 and 58,677.53
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Solution
The fourth proportional to 106,422.48, 146,864.01 and 58,677.53 is: 80,975.53
Step by Step Solution
- Step 1: Write the proportion equation
106,422.48 : 146,864.01 = 58,677.53 : x - Step 2: Convert to fraction form
106,422.48/146,864.01 = 58,677.53/x - Step 3: Cross multiply
106,422.48x = 146,864.01 × 58,677.53 - Step 4: Simplify right side
106,422.48x = 8,617,616,838.42 - Step 5: Solve for x
x = 8,617,616,838.42/106,422.48 - Step 6: Final answer
x = 80,975.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.