Finding the Fourth Proportional to 101,550.10, 140,143.94 and 61,262.99
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Solution
The fourth proportional to 101,550.10, 140,143.94 and 61,262.99 is: 84,545.83
Step by Step Solution
- Step 1: Write the proportion equation
101,550.10 : 140,143.94 = 61,262.99 : x - Step 2: Convert to fraction form
101,550.10/140,143.94 = 61,262.99/x - Step 3: Cross multiply
101,550.10x = 140,143.94 × 61,262.99 - Step 4: Simplify right side
101,550.10x = 8,585,637,298.30 - Step 5: Solve for x
x = 8,585,637,298.30/101,550.10 - Step 6: Final answer
x = 84,545.83
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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.