Finding the Fourth Proportional to 84,901.77, 117,158.74 and 46,660.49
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Solution
The fourth proportional to 84,901.77, 117,158.74 and 46,660.49 is: 64,388.34
Step by Step Solution
- Step 1: Write the proportion equation
84,901.77 : 117,158.74 = 46,660.49 : x - Step 2: Convert to fraction form
84,901.77/117,158.74 = 46,660.49/x - Step 3: Cross multiply
84,901.77x = 117,158.74 × 46,660.49 - Step 4: Simplify right side
84,901.77x = 5,466,683,953.08 - Step 5: Solve for x
x = 5,466,683,953.08/84,901.77 - Step 6: Final answer
x = 64,388.34
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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.