Finding the Fourth Proportional to 83,873.34, 125,828.24 and 48,357.68
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Solution
The fourth proportional to 83,873.34, 125,828.24 and 48,357.68 is: 72,547.02
Step by Step Solution
- Step 1: Write the proportion equation
83,873.34 : 125,828.24 = 48,357.68 : x - Step 2: Convert to fraction form
83,873.34/125,828.24 = 48,357.68/x - Step 3: Cross multiply
83,873.34x = 125,828.24 × 48,357.68 - Step 4: Simplify right side
83,873.34x = 6,084,760,893.95 - Step 5: Solve for x
x = 6,084,760,893.95/83,873.34 - Step 6: Final answer
x = 72,547.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.