Finding the Fourth Proportional to 74,334.08, 102,579.92 and 40,800.08
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Solution
The fourth proportional to 74,334.08, 102,579.92 and 40,800.08 is: 56,303.50
Step by Step Solution
- Step 1: Write the proportion equation
74,334.08 : 102,579.92 = 40,800.08 : x - Step 2: Convert to fraction form
74,334.08/102,579.92 = 40,800.08/x - Step 3: Cross multiply
74,334.08x = 102,579.92 × 40,800.08 - Step 4: Simplify right side
74,334.08x = 4,185,268,942.39 - Step 5: Solve for x
x = 4,185,268,942.39/74,334.08 - Step 6: Final answer
x = 56,303.50
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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.