Finding the Fourth Proportional to 77,298.99, 106,665.44 and 43,764.99
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Solution
The fourth proportional to 77,298.99, 106,665.44 and 43,764.99 is: 60,391.63
Step by Step Solution
- Step 1: Write the proportion equation
77,298.99 : 106,665.44 = 43,764.99 : x - Step 2: Convert to fraction form
77,298.99/106,665.44 = 43,764.99/x - Step 3: Cross multiply
77,298.99x = 106,665.44 × 43,764.99 - Step 4: Simplify right side
77,298.99x = 4,668,211,696.12 - Step 5: Solve for x
x = 4,668,211,696.12/77,298.99 - Step 6: Final answer
x = 60,391.63
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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.