Finding the Fourth Proportional to 76,284.63, 105,359.00 and 52,043.99
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Solution
The fourth proportional to 76,284.63, 105,359.00 and 52,043.99 is: 71,879.51
Step by Step Solution
- Step 1: Write the proportion equation
76,284.63 : 105,359.00 = 52,043.99 : x - Step 2: Convert to fraction form
76,284.63/105,359.00 = 52,043.99/x - Step 3: Cross multiply
76,284.63x = 105,359.00 × 52,043.99 - Step 4: Simplify right side
76,284.63x = 5,483,301,955.40 - Step 5: Solve for x
x = 5,483,301,955.40/76,284.63 - Step 6: Final answer
x = 71,879.51
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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.