Finding the Fourth Proportional to 83,946.24, 115,848.36 and 46,221.84
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Solution
The fourth proportional to 83,946.24, 115,848.36 and 46,221.84 is: 63,787.54
Step by Step Solution
- Step 1: Write the proportion equation
83,946.24 : 115,848.36 = 46,221.84 : x - Step 2: Convert to fraction form
83,946.24/115,848.36 = 46,221.84/x - Step 3: Cross multiply
83,946.24x = 115,848.36 × 46,221.84 - Step 4: Simplify right side
83,946.24x = 5,354,724,360.18 - Step 5: Solve for x
x = 5,354,724,360.18/83,946.24 - Step 6: Final answer
x = 63,787.54
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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.