Finding the Fourth Proportional to 106,292.57, 146,700.41 and 62,689.92
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Solution
The fourth proportional to 106,292.57, 146,700.41 and 62,689.92 is: 86,521.92
Step by Step Solution
- Step 1: Write the proportion equation
106,292.57 : 146,700.41 = 62,689.92 : x - Step 2: Convert to fraction form
106,292.57/146,700.41 = 62,689.92/x - Step 3: Cross multiply
106,292.57x = 146,700.41 × 62,689.92 - Step 4: Simplify right side
106,292.57x = 9,196,636,653.42 - Step 5: Solve for x
x = 9,196,636,653.42/106,292.57 - Step 6: Final answer
x = 86,521.92
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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.