Finding the Fourth Proportional to 73,159.61, 100,958.81 and 40,894.07
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Solution
The fourth proportional to 73,159.61, 100,958.81 and 40,894.07 is: 56,433.00
Step by Step Solution
- Step 1: Write the proportion equation
73,159.61 : 100,958.81 = 40,894.07 : x - Step 2: Convert to fraction form
73,159.61/100,958.81 = 40,894.07/x - Step 3: Cross multiply
73,159.61x = 100,958.81 × 40,894.07 - Step 4: Simplify right side
73,159.61x = 4,128,615,933.99 - Step 5: Solve for x
x = 4,128,615,933.99/73,159.61 - Step 6: Final answer
x = 56,433.00
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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.