Finding the Fourth Proportional to 74,598.39, 102,947.93 and 40,609.08
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Solution
The fourth proportional to 74,598.39, 102,947.93 and 40,609.08 is: 56,041.70
Step by Step Solution
- Step 1: Write the proportion equation
74,598.39 : 102,947.93 = 40,609.08 : x - Step 2: Convert to fraction form
74,598.39/102,947.93 = 40,609.08/x - Step 3: Cross multiply
74,598.39x = 102,947.93 × 40,609.08 - Step 4: Simplify right side
74,598.39x = 4,180,620,725.20 - Step 5: Solve for x
x = 4,180,620,725.20/74,598.39 - Step 6: Final answer
x = 56,041.70
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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.