Finding the Fourth Proportional to 74,117.58, 102,283.47 and 40,581.42
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Solution
The fourth proportional to 74,117.58, 102,283.47 and 40,581.42 is: 56,003.02
Step by Step Solution
- Step 1: Write the proportion equation
74,117.58 : 102,283.47 = 40,581.42 : x - Step 2: Convert to fraction form
74,117.58/102,283.47 = 40,581.42/x - Step 3: Cross multiply
74,117.58x = 102,283.47 × 40,581.42 - Step 4: Simplify right side
74,117.58x = 4,150,808,455.13 - Step 5: Solve for x
x = 4,150,808,455.13/74,117.58 - Step 6: Final answer
x = 56,003.02
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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.