Finding the Fourth Proportional to 79,710.99, 110,006.14 and 43,900.99
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Solution
The fourth proportional to 79,710.99, 110,006.14 and 43,900.99 is: 60,586.11
Step by Step Solution
- Step 1: Write the proportion equation
79,710.99 : 110,006.14 = 43,900.99 : x - Step 2: Convert to fraction form
79,710.99/110,006.14 = 43,900.99/x - Step 3: Cross multiply
79,710.99x = 110,006.14 × 43,900.99 - Step 4: Simplify right side
79,710.99x = 4,829,378,273.10 - Step 5: Solve for x
x = 4,829,378,273.10/79,710.99 - Step 6: Final answer
x = 60,586.11
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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.