Finding the Fourth Proportional to 83,828.48, 115,680.99 and 46,102.76
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Solution
The fourth proportional to 83,828.48, 115,680.99 and 46,102.76 is: 63,620.54
Step by Step Solution
- Step 1: Write the proportion equation
83,828.48 : 115,680.99 = 46,102.76 : x - Step 2: Convert to fraction form
83,828.48/115,680.99 = 46,102.76/x - Step 3: Cross multiply
83,828.48x = 115,680.99 × 46,102.76 - Step 4: Simplify right side
83,828.48x = 5,333,212,918.53 - Step 5: Solve for x
x = 5,333,212,918.53/83,828.48 - Step 6: Final answer
x = 63,620.54
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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.