Finding the Fourth Proportional to 79,533.09, 109,749.14 and 46,822.31
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Solution
The fourth proportional to 79,533.09, 109,749.14 and 46,822.31 is: 64,610.95
Step by Step Solution
- Step 1: Write the proportion equation
79,533.09 : 109,749.14 = 46,822.31 : x - Step 2: Convert to fraction form
79,533.09/109,749.14 = 46,822.31/x - Step 3: Cross multiply
79,533.09x = 109,749.14 × 46,822.31 - Step 4: Simplify right side
79,533.09x = 5,138,708,255.31 - Step 5: Solve for x
x = 5,138,708,255.31/79,533.09 - Step 6: Final answer
x = 64,610.95
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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.