Finding the Fourth Proportional to 86,763.52, 119,734.56 and 50,953.96
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Solution
The fourth proportional to 86,763.52, 119,734.56 and 50,953.96 is: 70,316.99
Step by Step Solution
- Step 1: Write the proportion equation
86,763.52 : 119,734.56 = 50,953.96 : x - Step 2: Convert to fraction form
86,763.52/119,734.56 = 50,953.96/x - Step 3: Cross multiply
86,763.52x = 119,734.56 × 50,953.96 - Step 4: Simplify right side
86,763.52x = 6,100,949,980.86 - Step 5: Solve for x
x = 6,100,949,980.86/86,763.52 - Step 6: Final answer
x = 70,316.99
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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.