Finding the Fourth Proportional to 73,880.24, 101,955.04 and 40,346.24
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Solution
The fourth proportional to 73,880.24, 101,955.04 and 40,346.24 is: 55,677.98
Step by Step Solution
- Step 1: Write the proportion equation
73,880.24 : 101,955.04 = 40,346.24 : x - Step 2: Convert to fraction form
73,880.24/101,955.04 = 40,346.24/x - Step 3: Cross multiply
73,880.24x = 101,955.04 × 40,346.24 - Step 4: Simplify right side
73,880.24x = 4,113,502,513.05 - Step 5: Solve for x
x = 4,113,502,513.05/73,880.24 - Step 6: Final answer
x = 55,677.98
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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.