Finding the Fourth Proportional to 74,509.23, 102,822.50 and 41,803.70
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Solution
The fourth proportional to 74,509.23, 102,822.50 and 41,803.70 is: 57,688.97
Step by Step Solution
- Step 1: Write the proportion equation
74,509.23 : 102,822.50 = 41,803.70 : x - Step 2: Convert to fraction form
74,509.23/102,822.50 = 41,803.70/x - Step 3: Cross multiply
74,509.23x = 102,822.50 × 41,803.70 - Step 4: Simplify right side
74,509.23x = 4,298,360,734.23 - Step 5: Solve for x
x = 4,298,360,734.23/74,509.23 - Step 6: Final answer
x = 57,688.97
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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.