Finding the Fourth Proportional to 91,675.09, 126,518.93 and 53,956.63
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Solution
The fourth proportional to 91,675.09, 126,518.93 and 53,956.63 is: 74,464.45
Step by Step Solution
- Step 1: Write the proportion equation
91,675.09 : 126,518.93 = 53,956.63 : x - Step 2: Convert to fraction form
91,675.09/126,518.93 = 53,956.63/x - Step 3: Cross multiply
91,675.09x = 126,518.93 × 53,956.63 - Step 4: Simplify right side
91,675.09x = 6,826,535,094.01 - Step 5: Solve for x
x = 6,826,535,094.01/91,675.09 - Step 6: Final answer
x = 74,464.45
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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.