Finding the Fourth Proportional to 74,237.41, 102,446.37 and 41,971.49
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Solution
The fourth proportional to 74,237.41, 102,446.37 and 41,971.49 is: 57,919.95
Step by Step Solution
- Step 1: Write the proportion equation
74,237.41 : 102,446.37 = 41,971.49 : x - Step 2: Convert to fraction form
74,237.41/102,446.37 = 41,971.49/x - Step 3: Cross multiply
74,237.41x = 102,446.37 × 41,971.49 - Step 4: Simplify right side
74,237.41x = 4,299,826,954.06 - Step 5: Solve for x
x = 4,299,826,954.06/74,237.41 - Step 6: Final answer
x = 57,919.95
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1.5x scale
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.