Finding the Fourth Proportional to 104,226.99, 143,833.36 and 56,479.92
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Solution
The fourth proportional to 104,226.99, 143,833.36 and 56,479.92 is: 77,942.35
Step by Step Solution
- Step 1: Write the proportion equation
104,226.99 : 143,833.36 = 56,479.92 : x - Step 2: Convert to fraction form
104,226.99/143,833.36 = 56,479.92/x - Step 3: Cross multiply
104,226.99x = 143,833.36 × 56,479.92 - Step 4: Simplify right side
104,226.99x = 8,123,696,666.13 - Step 5: Solve for x
x = 8,123,696,666.13/104,226.99 - Step 6: Final answer
x = 77,942.35
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1.5x scale
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.