Finding the Fourth Proportional to 94,015.41, 129,722.76 and 55,767.75
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Solution
The fourth proportional to 94,015.41, 129,722.76 and 55,767.75 is: 76,948.52
Step by Step Solution
- Step 1: Write the proportion equation
94,015.41 : 129,722.76 = 55,767.75 : x - Step 2: Convert to fraction form
94,015.41/129,722.76 = 55,767.75/x - Step 3: Cross multiply
94,015.41x = 129,722.76 × 55,767.75 - Step 4: Simplify right side
94,015.41x = 7,234,346,448.99 - Step 5: Solve for x
x = 7,234,346,448.99/94,015.41 - Step 6: Final answer
x = 76,948.52
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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.