Finding the Fourth Proportional to 106,332.42, 159,521.51 and 53,053.05
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Solution
The fourth proportional to 106,332.42, 159,521.51 and 53,053.05 is: 79,590.99
Step by Step Solution
- Step 1: Write the proportion equation
106,332.42 : 159,521.51 = 53,053.05 : x - Step 2: Convert to fraction form
106,332.42/159,521.51 = 53,053.05/x - Step 3: Cross multiply
106,332.42x = 159,521.51 × 53,053.05 - Step 4: Simplify right side
106,332.42x = 8,463,102,778.74 - Step 5: Solve for x
x = 8,463,102,778.74/106,332.42 - Step 6: Final answer
x = 79,590.99
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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.