Finding the Fourth Proportional to 77,299.99, 106,666.81 and 43,765.99
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Solution
The fourth proportional to 77,299.99, 106,666.81 and 43,765.99 is: 60,393.00
Step by Step Solution
- Step 1: Write the proportion equation
77,299.99 : 106,666.81 = 43,765.99 : x - Step 2: Convert to fraction form
77,299.99/106,666.81 = 43,765.99/x - Step 3: Cross multiply
77,299.99x = 106,666.81 × 43,765.99 - Step 4: Simplify right side
77,299.99x = 4,668,378,539.79 - Step 5: Solve for x
x = 4,668,378,539.79/77,299.99 - Step 6: Final answer
x = 60,393.00
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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.