Finding the Fourth Proportional to 57,803.50, 86,722.73 and 40,969.07
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Solution
The fourth proportional to 57,803.50, 86,722.73 and 40,969.07 is: 61,465.99
Step by Step Solution
- Step 1: Write the proportion equation
57,803.50 : 86,722.73 = 40,969.07 : x - Step 2: Convert to fraction form
57,803.50/86,722.73 = 40,969.07/x - Step 3: Cross multiply
57,803.50x = 86,722.73 × 40,969.07 - Step 4: Simplify right side
57,803.50x = 3,552,949,595.96 - Step 5: Solve for x
x = 3,552,949,595.96/57,803.50 - Step 6: Final answer
x = 61,465.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.